Finding the Fourth Proportional to 102,645.81, 141,620.27 and 59,617.01

Step by Step Solution

1. Step 1: Write the proportion equation
   102,645.81 : 141,620.27 = 59,617.01 : x
2. Step 2: Convert to fraction form
   102,645.81/141,620.27 = 59,617.01/x
3. Step 3: Cross multiply
   102,645.81x = 141,620.27 × 59,617.01
4. Step 4: Simplify right side
   102,645.81x = 8,442,976,046.61
5. Step 5: Solve for x
   x = 8,442,976,046.61/102,645.81
6. Step 6: Final answer
   x = 82,253.49