Finding the Fourth Proportional to 95,468.10, 142,910.55 and 74,472.90

Step by Step Solution

1. Step 1: Write the proportion equation
   95,468.10 : 142,910.55 = 74,472.90 : x
2. Step 2: Convert to fraction form
   95,468.10/142,910.55 = 74,472.90/x
3. Step 3: Cross multiply
   95,468.10x = 142,910.55 × 74,472.90
4. Step 4: Simplify right side
   95,468.10x = 10,642,963,099.10
5. Step 5: Solve for x
   x = 10,642,963,099.10/95,468.10
6. Step 6: Final answer
   x = 111,481.88