Finding the Fourth Proportional to 113,752,985,623.96, 156,981,656,686.52 and 64,922,826,623.64

Step by Step Solution

1. Step 1: Write the proportion equation
   113,752,985,623.96 : 156,981,656,686.52 = 64,922,826,623.64 : x
2. Step 2: Convert to fraction form
   113,752,985,623.96/156,981,656,686.52 = 64,922,826,623.64/x
3. Step 3: Cross multiply
   113,752,985,623.96x = 156,981,656,686.52 × 64,922,826,623.64
4. Step 4: Simplify right side
   113,752,985,623.96x = 10,191,692,880,150,714,646,528
5. Step 5: Solve for x
   x = 10,191,692,880,150,714,646,528/113,752,985,623.96
6. Step 6: Final answer
   x = 89,594,948,424.84