Finding the Fourth Proportional to 142,899.52, 214,337.76 and 58,635.76

Step by Step Solution

1. Step 1: Write the proportion equation
   142,899.52 : 214,337.76 = 58,635.76 : x
2. Step 2: Convert to fraction form
   142,899.52/214,337.76 = 58,635.76/x
3. Step 3: Cross multiply
   142,899.52x = 214,337.76 × 58,635.76
4. Step 4: Simplify right side
   142,899.52x = 12,567,857,454.30
5. Step 5: Solve for x
   x = 12,567,857,454.30/142,899.52
6. Step 6: Final answer
   x = 87,948.91