Finding the Fourth Proportional to 6,405.63, 8,839.82 and 3,573.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,405.63 : 8,839.82 = 3,573.18 : x
2. Step 2: Convert to fraction form
   6,405.63/8,839.82 = 3,573.18/x
3. Step 3: Cross multiply
   6,405.63x = 8,839.82 × 3,573.18
4. Step 4: Simplify right side
   6,405.63x = 31,586,250.16
5. Step 5: Solve for x
   x = 31,586,250.16/6,405.63
6. Step 6: Final answer
   x = 4,931.01