Finding the Fourth Proportional to 2,548.80, 3,517.29 and 1,501.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.80 : 3,517.29 = 1,501.20 : x
2. Step 2: Convert to fraction form
   2,548.80/3,517.29 = 1,501.20/x
3. Step 3: Cross multiply
   2,548.80x = 3,517.29 × 1,501.20
4. Step 4: Simplify right side
   2,548.80x = 5,280,155.75
5. Step 5: Solve for x
   x = 5,280,155.75/2,548.80
6. Step 6: Final answer
   x = 2,071.62