Finding the Fourth Proportional to 108,700,665.91, 163,153,154.55 and 56,922,433.08

Step by Step Solution

1. Step 1: Write the proportion equation
   108,700,665.91 : 163,153,154.55 = 56,922,433.08 : x
2. Step 2: Convert to fraction form
   108,700,665.91/163,153,154.55 = 56,922,433.08/x
3. Step 3: Cross multiply
   108,700,665.91x = 163,153,154.55 × 56,922,433.08
4. Step 4: Simplify right side
   108,700,665.91x = 9,287,074,521,663,272
5. Step 5: Solve for x
   x = 9,287,074,521,663,272/108,700,665.91
6. Step 6: Final answer
   x = 85,437,144.69