Finding the Fourth Proportional to 2,402.32, 3,599.52 and 1,427.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.32 : 3,599.52 = 1,427.20 : x
2. Step 2: Convert to fraction form
   2,402.32/3,599.52 = 1,427.20/x
3. Step 3: Cross multiply
   2,402.32x = 3,599.52 × 1,427.20
4. Step 4: Simplify right side
   2,402.32x = 5,137,234.94
5. Step 5: Solve for x
   x = 5,137,234.94/2,402.32
6. Step 6: Final answer
   x = 2,138.45