Finding the Fourth Proportional to 8,710.18, 12,020.28 and 5,125.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,710.18 : 12,020.28 = 5,125.37 : x
2. Step 2: Convert to fraction form
   8,710.18/12,020.28 = 5,125.37/x
3. Step 3: Cross multiply
   8,710.18x = 12,020.28 × 5,125.37
4. Step 4: Simplify right side
   8,710.18x = 61,608,382.50
5. Step 5: Solve for x
   x = 61,608,382.50/8,710.18
6. Step 6: Final answer
   x = 7,073.15