Finding the Fourth Proportional to 142,742.76, 213,944.04 and 58,499.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,742.76 : 213,944.04 = 58,499.52 : x
2. Step 2: Convert to fraction form
   142,742.76/213,944.04 = 58,499.52/x
3. Step 3: Cross multiply
   142,742.76x = 213,944.04 × 58,499.52
4. Step 4: Simplify right side
   142,742.76x = 12,515,623,646.86
5. Step 5: Solve for x
   x = 12,515,623,646.86/142,742.76
6. Step 6: Final answer
   x = 87,679.57