Finding the Fourth Proportional to 2,172,760.72, 3,258,765.24 and 575,346.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,760.72 : 3,258,765.24 = 575,346.76 : x
2. Step 2: Convert to fraction form
   2,172,760.72/3,258,765.24 = 575,346.76/x
3. Step 3: Cross multiply
   2,172,760.72x = 3,258,765.24 × 575,346.76
4. Step 4: Simplify right side
   2,172,760.72x = 1,874,920,022,434.62
5. Step 5: Solve for x
   x = 1,874,920,022,434.62/2,172,760.72
6. Step 6: Final answer
   x = 862,920.62