Finding the Fourth Proportional to 2,429.84, 3,646.16 and 1,131.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.84 : 3,646.16 = 1,131.30 : x
2. Step 2: Convert to fraction form
   2,429.84/3,646.16 = 1,131.30/x
3. Step 3: Cross multiply
   2,429.84x = 3,646.16 × 1,131.30
4. Step 4: Simplify right side
   2,429.84x = 4,124,895.15
5. Step 5: Solve for x
   x = 4,124,895.15/2,429.84
6. Step 6: Final answer
   x = 1,697.60