Finding the Fourth Proportional to 2,500.52, 3,451.86 and 1,557.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.52 : 3,451.86 = 1,557.60 : x
2. Step 2: Convert to fraction form
   2,500.52/3,451.86 = 1,557.60/x
3. Step 3: Cross multiply
   2,500.52x = 3,451.86 × 1,557.60
4. Step 4: Simplify right side
   2,500.52x = 5,376,617.14
5. Step 5: Solve for x
   x = 5,376,617.14/2,500.52
6. Step 6: Final answer
   x = 2,150.20