Finding the Fourth Proportional to 2,602.28, 3,591.06 and 1,553.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.28 : 3,591.06 = 1,553.72 : x
2. Step 2: Convert to fraction form
   2,602.28/3,591.06 = 1,553.72/x
3. Step 3: Cross multiply
   2,602.28x = 3,591.06 × 1,553.72
4. Step 4: Simplify right side
   2,602.28x = 5,579,501.74
5. Step 5: Solve for x
   x = 5,579,501.74/2,602.28
6. Step 6: Final answer
   x = 2,144.08