Finding the Fourth Proportional to 99,362.28, 137,071.72 and 59,047.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,362.28 : 137,071.72 = 59,047.52 : x
2. Step 2: Convert to fraction form
   99,362.28/137,071.72 = 59,047.52/x
3. Step 3: Cross multiply
   99,362.28x = 137,071.72 × 59,047.52
4. Step 4: Simplify right side
   99,362.28x = 8,093,745,128.13
5. Step 5: Solve for x
   x = 8,093,745,128.13/99,362.28
6. Step 6: Final answer
   x = 81,456.92