Finding the Fourth Proportional to 5,002.32, 7,502.04 and 1,715.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,002.32 : 7,502.04 = 1,715.40 : x
2. Step 2: Convert to fraction form
   5,002.32/7,502.04 = 1,715.40/x
3. Step 3: Cross multiply
   5,002.32x = 7,502.04 × 1,715.40
4. Step 4: Simplify right side
   5,002.32x = 12,868,999.42
5. Step 5: Solve for x
   x = 12,868,999.42/5,002.32
6. Step 6: Final answer
   x = 2,572.61