Finding the Fourth Proportional to 6,449.37, 8,901.71 and 3,932.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,449.37 : 8,901.71 = 3,932.87 : x
2. Step 2: Convert to fraction form
   6,449.37/8,901.71 = 3,932.87/x
3. Step 3: Cross multiply
   6,449.37x = 8,901.71 × 3,932.87
4. Step 4: Simplify right side
   6,449.37x = 35,009,268.21
5. Step 5: Solve for x
   x = 35,009,268.21/6,449.37
6. Step 6: Final answer
   x = 5,428.32