Finding the Fourth Proportional to 5,437.57, 8,155.37 and 2,475.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,437.57 : 8,155.37 = 2,475.31 : x
2. Step 2: Convert to fraction form
   5,437.57/8,155.37 = 2,475.31/x
3. Step 3: Cross multiply
   5,437.57x = 8,155.37 × 2,475.31
4. Step 4: Simplify right side
   5,437.57x = 20,187,056.54
5. Step 5: Solve for x
   x = 20,187,056.54/5,437.57
6. Step 6: Final answer
   x = 3,712.51