Finding the Fourth Proportional to 2,429.02, 3,642.18 and 1,129.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.02 : 3,642.18 = 1,129.24 : x
2. Step 2: Convert to fraction form
   2,429.02/3,642.18 = 1,129.24/x
3. Step 3: Cross multiply
   2,429.02x = 3,642.18 × 1,129.24
4. Step 4: Simplify right side
   2,429.02x = 4,112,895.34
5. Step 5: Solve for x
   x = 4,112,895.34/2,429.02
6. Step 6: Final answer
   x = 1,693.23