Finding the Fourth Proportional to 157,455,622.71, 236,156,520.33 and 42,413,260.91

Step by Step Solution

1. Step 1: Write the proportion equation
   157,455,622.71 : 236,156,520.33 = 42,413,260.91 : x
2. Step 2: Convert to fraction form
   157,455,622.71/236,156,520.33 = 42,413,260.91/x
3. Step 3: Cross multiply
   157,455,622.71x = 236,156,520.33 × 42,413,260.91
4. Step 4: Simplify right side
   157,455,622.71x = 10,016,168,111,173,228
5. Step 5: Solve for x
   x = 10,016,168,111,173,228/157,455,622.71
6. Step 6: Final answer
   x = 63,612,641.70