Finding the Fourth Proportional to 5,700.30, 7,854.72 and 4,205.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,700.30 : 7,854.72 = 4,205.88 : x
2. Step 2: Convert to fraction form
   5,700.30/7,854.72 = 4,205.88/x
3. Step 3: Cross multiply
   5,700.30x = 7,854.72 × 4,205.88
4. Step 4: Simplify right side
   5,700.30x = 33,036,009.75
5. Step 5: Solve for x
   x = 33,036,009.75/5,700.30
6. Step 6: Final answer
   x = 5,795.49