Finding the Fourth Proportional to 3,573.57, 4,928.29 and 2,978.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.57 : 4,928.29 = 2,978.04 : x
2. Step 2: Convert to fraction form
   3,573.57/4,928.29 = 2,978.04/x
3. Step 3: Cross multiply
   3,573.57x = 4,928.29 × 2,978.04
4. Step 4: Simplify right side
   3,573.57x = 14,676,644.75
5. Step 5: Solve for x
   x = 14,676,644.75/3,573.57
6. Step 6: Final answer
   x = 4,107.00