Finding the Fourth Proportional to 2,172,758.72, 3,258,762.24 and 575,344.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,758.72 : 3,258,762.24 = 575,344.76 : x
2. Step 2: Convert to fraction form
   2,172,758.72/3,258,762.24 = 575,344.76/x
3. Step 3: Cross multiply
   2,172,758.72x = 3,258,762.24 × 575,344.76
4. Step 4: Simplify right side
   2,172,758.72x = 1,874,911,778,869.86
5. Step 5: Solve for x
   x = 1,874,911,778,869.86/2,172,758.72
6. Step 6: Final answer
   x = 862,917.62