Finding the Fourth Proportional to 112,943.34, 155,861.86 and 62,642.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,943.34 : 155,861.86 = 62,642.34 : x
2. Step 2: Convert to fraction form
   112,943.34/155,861.86 = 62,642.34/x
3. Step 3: Cross multiply
   112,943.34x = 155,861.86 × 62,642.34
4. Step 4: Simplify right side
   112,943.34x = 9,763,551,470.55
5. Step 5: Solve for x
   x = 9,763,551,470.55/112,943.34
6. Step 6: Final answer
   x = 86,446.46