Finding the Fourth Proportional to 2,602.28, 3,592.88 and 1,540.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.28 : 3,592.88 = 1,540.39 : x
2. Step 2: Convert to fraction form
   2,602.28/3,592.88 = 1,540.39/x
3. Step 3: Cross multiply
   2,602.28x = 3,592.88 × 1,540.39
4. Step 4: Simplify right side
   2,602.28x = 5,534,436.42
5. Step 5: Solve for x
   x = 5,534,436.42/2,602.28
6. Step 6: Final answer
   x = 2,126.76