Finding the Fourth Proportional to 2,406.16, 3,612.12 and 1,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.16 : 3,612.12 = 1,432.72 : x
2. Step 2: Convert to fraction form
   2,406.16/3,612.12 = 1,432.72/x
3. Step 3: Cross multiply
   2,406.16x = 3,612.12 × 1,432.72
4. Step 4: Simplify right side
   2,406.16x = 5,175,156.57
5. Step 5: Solve for x
   x = 5,175,156.57/2,406.16
6. Step 6: Final answer
   x = 2,150.79