Finding the Fourth Proportional to 99,423.34, 137,200.17 and 56,952.34

Step by Step Solution

1. Step 1: Write the proportion equation
   99,423.34 : 137,200.17 = 56,952.34 : x
2. Step 2: Convert to fraction form
   99,423.34/137,200.17 = 56,952.34/x
3. Step 3: Cross multiply
   99,423.34x = 137,200.17 × 56,952.34
4. Step 4: Simplify right side
   99,423.34x = 7,813,870,729.90
5. Step 5: Solve for x
   x = 7,813,870,729.90/99,423.34
6. Step 6: Final answer
   x = 78,591.92