Finding the Fourth Proportional to 2,257,002.38, 3,385,700.40 and 574,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,002.38 : 3,385,700.40 = 574,105.88 : x
2. Step 2: Convert to fraction form
   2,257,002.38/3,385,700.40 = 574,105.88/x
3. Step 3: Cross multiply
   2,257,002.38x = 3,385,700.40 × 574,105.88
4. Step 4: Simplify right side
   2,257,002.38x = 1,943,750,490,629.85
5. Step 5: Solve for x
   x = 1,943,750,490,629.85/2,257,002.38
6. Step 6: Final answer
   x = 861,208.88