Finding the Fourth Proportional to 2,357.47, 3,531.18 and 1,577.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.47 : 3,531.18 = 1,577.32 : x
2. Step 2: Convert to fraction form
   2,357.47/3,531.18 = 1,577.32/x
3. Step 3: Cross multiply
   2,357.47x = 3,531.18 × 1,577.32
4. Step 4: Simplify right side
   2,357.47x = 5,569,797.92
5. Step 5: Solve for x
   x = 5,569,797.92/2,357.47
6. Step 6: Final answer
   x = 2,362.62