Finding the Fourth Proportional to 5,003.13, 7,499.48 and 1,715.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,003.13 : 7,499.48 = 1,715.07 : x
2. Step 2: Convert to fraction form
   5,003.13/7,499.48 = 1,715.07/x
3. Step 3: Cross multiply
   5,003.13x = 7,499.48 × 1,715.07
4. Step 4: Simplify right side
   5,003.13x = 12,862,124.59
5. Step 5: Solve for x
   x = 12,862,124.59/5,003.13
6. Step 6: Final answer
   x = 2,570.82