Finding the Fourth Proportional to 2,432.01, 3,647.92 and 872.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,432.01 : 3,647.92 = 872.05 : x
2. Step 2: Convert to fraction form
   2,432.01/3,647.92 = 872.05/x
3. Step 3: Cross multiply
   2,432.01x = 3,647.92 × 872.05
4. Step 4: Simplify right side
   2,432.01x = 3,181,168.64
5. Step 5: Solve for x
   x = 3,181,168.64/2,432.01
6. Step 6: Final answer
   x = 1,308.04