Finding the Fourth Proportional to 142,855.72, 214,233.88 and 58,591.96

Step by Step Solution

1. Step 1: Write the proportion equation
   142,855.72 : 214,233.88 = 58,591.96 : x
2. Step 2: Convert to fraction form
   142,855.72/214,233.88 = 58,591.96/x
3. Step 3: Cross multiply
   142,855.72x = 214,233.88 × 58,591.96
4. Step 4: Simplify right side
   142,855.72x = 12,552,382,927.60
5. Step 5: Solve for x
   x = 12,552,382,927.60/142,855.72
6. Step 6: Final answer
   x = 87,867.56