Finding the Fourth Proportional to 107,143.59, 147,865.59 and 59,401.38

Step by Step Solution

1. Step 1: Write the proportion equation
   107,143.59 : 147,865.59 = 59,401.38 : x
2. Step 2: Convert to fraction form
   107,143.59/147,865.59 = 59,401.38/x
3. Step 3: Cross multiply
   107,143.59x = 147,865.59 × 59,401.38
4. Step 4: Simplify right side
   107,143.59x = 8,783,420,100.51
5. Step 5: Solve for x
   x = 8,783,420,100.51/107,143.59
6. Step 6: Final answer
   x = 81,978.03