Finding the Fourth Proportional to 98,552.48, 136,002.56 and 56,111.04

Step by Step Solution

1. Step 1: Write the proportion equation
   98,552.48 : 136,002.56 = 56,111.04 : x
2. Step 2: Convert to fraction form
   98,552.48/136,002.56 = 56,111.04/x
3. Step 3: Cross multiply
   98,552.48x = 136,002.56 × 56,111.04
4. Step 4: Simplify right side
   98,552.48x = 7,631,244,803.71
5. Step 5: Solve for x
   x = 7,631,244,803.71/98,552.48
6. Step 6: Final answer
   x = 77,433.31