Finding the Fourth Proportional to 99,062.73, 136,670.69 and 65,089.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,062.73 : 136,670.69 = 65,089.52 : x
2. Step 2: Convert to fraction form
   99,062.73/136,670.69 = 65,089.52/x
3. Step 3: Cross multiply
   99,062.73x = 136,670.69 × 65,089.52
4. Step 4: Simplify right side
   99,062.73x = 8,895,829,089.54
5. Step 5: Solve for x
   x = 8,895,829,089.54/99,062.73
6. Step 6: Final answer
   x = 89,799.96