Finding the Fourth Proportional to 2,433.12, 3,646.50 and 1,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.12 : 3,646.50 = 1,131.72 : x
2. Step 2: Convert to fraction form
   2,433.12/3,646.50 = 1,131.72/x
3. Step 3: Cross multiply
   2,433.12x = 3,646.50 × 1,131.72
4. Step 4: Simplify right side
   2,433.12x = 4,126,816.98
5. Step 5: Solve for x
   x = 4,126,816.98/2,433.12
6. Step 6: Final answer
   x = 1,696.10