Finding the Fourth Proportional to 105,061.92, 144,972.84 and 59,740.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061.92 : 144,972.84 = 59,740.08 : x
2. Step 2: Convert to fraction form
   105,061.92/144,972.84 = 59,740.08/x
3. Step 3: Cross multiply
   105,061.92x = 144,972.84 × 59,740.08
4. Step 4: Simplify right side
   105,061.92x = 8,660,689,059.43
5. Step 5: Solve for x
   x = 8,660,689,059.43/105,061.92
6. Step 6: Final answer
   x = 82,434.14