Finding the Fourth Proportional to 3,665.57, 5,499.57 and 2,437.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.57 : 5,499.57 = 2,437.82 : x
2. Step 2: Convert to fraction form
   3,665.57/5,499.57 = 2,437.82/x
3. Step 3: Cross multiply
   3,665.57x = 5,499.57 × 2,437.82
4. Step 4: Simplify right side
   3,665.57x = 13,406,934.24
5. Step 5: Solve for x
   x = 13,406,934.24/3,665.57
6. Step 6: Final answer
   x = 3,657.54