Finding the Fourth Proportional to 118,543,150.82, 177,813,728.71 and 92,657,225.61

Step by Step Solution

1. Step 1: Write the proportion equation
   118,543,150.82 : 177,813,728.71 = 92,657,225.61 : x
2. Step 2: Convert to fraction form
   118,543,150.82/177,813,728.71 = 92,657,225.61/x
3. Step 3: Cross multiply
   118,543,150.82x = 177,813,728.71 × 92,657,225.61
4. Step 4: Simplify right side
   118,543,150.82x = 16,475,726,777,406,162
5. Step 5: Solve for x
   x = 16,475,726,777,406,162/118,543,150.82
6. Step 6: Final answer
   x = 138,985,058.72