Finding the Fourth Proportional to 103,624.92, 143,010.72 and 58,300.20

Step by Step Solution

1. Step 1: Write the proportion equation
   103,624.92 : 143,010.72 = 58,300.20 : x
2. Step 2: Convert to fraction form
   103,624.92/143,010.72 = 58,300.20/x
3. Step 3: Cross multiply
   103,624.92x = 143,010.72 × 58,300.20
4. Step 4: Simplify right side
   103,624.92x = 8,337,553,578.14
5. Step 5: Solve for x
   x = 8,337,553,578.14/103,624.92
6. Step 6: Final answer
   x = 80,458.96