Finding the Fourth Proportional to 5,200.02, 7,178.04 and 5,124.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.02 : 7,178.04 = 5,124.15 : x
2. Step 2: Convert to fraction form
   5,200.02/7,178.04 = 5,124.15/x
3. Step 3: Cross multiply
   5,200.02x = 7,178.04 × 5,124.15
4. Step 4: Simplify right side
   5,200.02x = 36,781,353.67
5. Step 5: Solve for x
   x = 36,781,353.67/5,200.02
6. Step 6: Final answer
   x = 7,073.31