Finding the Fourth Proportional to 102,709.32, 141,730.05 and 59,103.27

Step by Step Solution

1. Step 1: Write the proportion equation
   102,709.32 : 141,730.05 = 59,103.27 : x
2. Step 2: Convert to fraction form
   102,709.32/141,730.05 = 59,103.27/x
3. Step 3: Cross multiply
   102,709.32x = 141,730.05 × 59,103.27
4. Step 4: Simplify right side
   102,709.32x = 8,376,709,633.90
5. Step 5: Solve for x
   x = 8,376,709,633.90/102,709.32
6. Step 6: Final answer
   x = 81,557.45