Finding the Fourth Proportional to 110,728.55, 152,800.61 and 62,981.48

Step by Step Solution

1. Step 1: Write the proportion equation
   110,728.55 : 152,800.61 = 62,981.48 : x
2. Step 2: Convert to fraction form
   110,728.55/152,800.61 = 62,981.48/x
3. Step 3: Cross multiply
   110,728.55x = 152,800.61 × 62,981.48
4. Step 4: Simplify right side
   110,728.55x = 9,623,607,483.79
5. Step 5: Solve for x
   x = 9,623,607,483.79/110,728.55
6. Step 6: Final answer
   x = 86,911.71