Finding the Fourth Proportional to 2,557.82, 3,530.43 and 1,562.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.82 : 3,530.43 = 1,562.93 : x
2. Step 2: Convert to fraction form
   2,557.82/3,530.43 = 1,562.93/x
3. Step 3: Cross multiply
   2,557.82x = 3,530.43 × 1,562.93
4. Step 4: Simplify right side
   2,557.82x = 5,517,807.15
5. Step 5: Solve for x
   x = 5,517,807.15/2,557.82
6. Step 6: Final answer
   x = 2,157.23