Finding the Fourth Proportional to 103,633.50, 143,014.24 and 58,921.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,633.50 : 143,014.24 = 58,921.50 : x
2. Step 2: Convert to fraction form
   103,633.50/143,014.24 = 58,921.50/x
3. Step 3: Cross multiply
   103,633.50x = 143,014.24 × 58,921.50
4. Step 4: Simplify right side
   103,633.50x = 8,426,613,542.16
5. Step 5: Solve for x
   x = 8,426,613,542.16/103,633.50
6. Step 6: Final answer
   x = 81,311.68