Finding the Fourth Proportional to 112,943.52, 155,880.72 and 62,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,943.52 : 155,880.72 = 62,658.72 : x
2. Step 2: Convert to fraction form
   112,943.52/155,880.72 = 62,658.72/x
3. Step 3: Cross multiply
   112,943.52x = 155,880.72 × 62,658.72
4. Step 4: Simplify right side
   112,943.52x = 9,767,286,387.88
5. Step 5: Solve for x
   x = 9,767,286,387.88/112,943.52
6. Step 6: Final answer
   x = 86,479.39