Finding the Fourth Proportional to 2,602.98, 3,591.72 and 1,540.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.98 : 3,591.72 = 1,540.80 : x
2. Step 2: Convert to fraction form
   2,602.98/3,591.72 = 1,540.80/x
3. Step 3: Cross multiply
   2,602.98x = 3,591.72 × 1,540.80
4. Step 4: Simplify right side
   2,602.98x = 5,534,122.18
5. Step 5: Solve for x
   x = 5,534,122.18/2,602.98
6. Step 6: Final answer
   x = 2,126.07