Finding the Fourth Proportional to 143,209.88, 214,898.04 and 58,978.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,209.88 : 214,898.04 = 58,978.52 : x
2. Step 2: Convert to fraction form
   143,209.88/214,898.04 = 58,978.52/x
3. Step 3: Cross multiply
   143,209.88x = 214,898.04 × 58,978.52
4. Step 4: Simplify right side
   143,209.88x = 12,674,368,350.10
5. Step 5: Solve for x
   x = 12,674,368,350.10/143,209.88
6. Step 6: Final answer
   x = 88,502.05