Finding the Fourth Proportional to 3,602.71, 5,401.43 and 2,429.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,602.71 : 5,401.43 = 2,429.79 : x
2. Step 2: Convert to fraction form
   3,602.71/5,401.43 = 2,429.79/x
3. Step 3: Cross multiply
   3,602.71x = 5,401.43 × 2,429.79
4. Step 4: Simplify right side
   3,602.71x = 13,124,328.45
5. Step 5: Solve for x
   x = 13,124,328.45/3,602.71
6. Step 6: Final answer
   x = 3,642.91