Finding the Fourth Proportional to 142,981.60, 214,402.52 and 58,719.24

Step by Step Solution

1. Step 1: Write the proportion equation
   142,981.60 : 214,402.52 = 58,719.24 : x
2. Step 2: Convert to fraction form
   142,981.60/214,402.52 = 58,719.24/x
3. Step 3: Cross multiply
   142,981.60x = 214,402.52 × 58,719.24
4. Step 4: Simplify right side
   142,981.60x = 12,589,553,028.48
5. Step 5: Solve for x
   x = 12,589,553,028.48/142,981.60
6. Step 6: Final answer
   x = 88,050.16