Finding the Fourth Proportional to 112,003,601.79, 154,564,418.28 and 64,970,187.54

Step by Step Solution

1. Step 1: Write the proportion equation
   112,003,601.79 : 154,564,418.28 = 64,970,187.54 : x
2. Step 2: Convert to fraction form
   112,003,601.79/154,564,418.28 = 64,970,187.54/x
3. Step 3: Cross multiply
   112,003,601.79x = 154,564,418.28 × 64,970,187.54
4. Step 4: Simplify right side
   112,003,601.79x = 10,042,079,242,662,604
5. Step 5: Solve for x
   x = 10,042,079,242,662,604/112,003,601.79
6. Step 6: Final answer
   x = 89,658,538.49