Finding the Fourth Proportional to 112,830.48, 155,713.32 and 62,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,830.48 : 155,713.32 = 62,532.72 : x
2. Step 2: Convert to fraction form
   112,830.48/155,713.32 = 62,532.72/x
3. Step 3: Cross multiply
   112,830.48x = 155,713.32 × 62,532.72
4. Step 4: Simplify right side
   112,830.48x = 9,737,177,439.83
5. Step 5: Solve for x
   x = 9,737,177,439.83/112,830.48
6. Step 6: Final answer
   x = 86,299.18