Finding the Fourth Proportional to 6,437.28, 8,884.32 and 3,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,437.28 : 8,884.32 = 3,642.72 : x
2. Step 2: Convert to fraction form
   6,437.28/8,884.32 = 3,642.72/x
3. Step 3: Cross multiply
   6,437.28x = 8,884.32 × 3,642.72
4. Step 4: Simplify right side
   6,437.28x = 32,363,090.15
5. Step 5: Solve for x
   x = 32,363,090.15/6,437.28
6. Step 6: Final answer
   x = 5,027.45