Finding the Fourth Proportional to 110,688.64, 152,748.56 and 62,940.96

Step by Step Solution

1. Step 1: Write the proportion equation
   110,688.64 : 152,748.56 = 62,940.96 : x
2. Step 2: Convert to fraction form
   110,688.64/152,748.56 = 62,940.96/x
3. Step 3: Cross multiply
   110,688.64x = 152,748.56 × 62,940.96
4. Step 4: Simplify right side
   110,688.64x = 9,614,141,005.02
5. Step 5: Solve for x
   x = 9,614,141,005.02/110,688.64
6. Step 6: Final answer
   x = 86,857.52