Finding the Fourth Proportional to 2,501.61, 3,452.32 and 1,557.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.61 : 3,452.32 = 1,557.96 : x
2. Step 2: Convert to fraction form
   2,501.61/3,452.32 = 1,557.96/x
3. Step 3: Cross multiply
   2,501.61x = 3,452.32 × 1,557.96
4. Step 4: Simplify right side
   2,501.61x = 5,378,576.47
5. Step 5: Solve for x
   x = 5,378,576.47/2,501.61
6. Step 6: Final answer
   x = 2,150.05