Finding the Fourth Proportional to 73,917.62, 102,006.41 and 42,086.53

Step by Step Solution

1. Step 1: Write the proportion equation
   73,917.62 : 102,006.41 = 42,086.53 : x
2. Step 2: Convert to fraction form
   73,917.62/102,006.41 = 42,086.53/x
3. Step 3: Cross multiply
   73,917.62x = 102,006.41 × 42,086.53
4. Step 4: Simplify right side
   73,917.62x = 4,293,095,834.66
5. Step 5: Solve for x
   x = 4,293,095,834.66/73,917.62
6. Step 6: Final answer
   x = 58,079.47