Finding the Fourth Proportional to 5,900.64, 8,142.89 and 3,248.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,900.64 : 8,142.89 = 3,248.05 : x
2. Step 2: Convert to fraction form
   5,900.64/8,142.89 = 3,248.05/x
3. Step 3: Cross multiply
   5,900.64x = 8,142.89 × 3,248.05
4. Step 4: Simplify right side
   5,900.64x = 26,448,477.27
5. Step 5: Solve for x
   x = 26,448,477.27/5,900.64
6. Step 6: Final answer
   x = 4,482.31