Finding the Fourth Proportional to 2,564,900.20, 3,846,443.10 and 881,612.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,900.20 : 3,846,443.10 = 881,612.20 : x
2. Step 2: Convert to fraction form
   2,564,900.20/3,846,443.10 = 881,612.20/x
3. Step 3: Cross multiply
   2,564,900.20x = 3,846,443.10 × 881,612.20
4. Step 4: Simplify right side
   2,564,900.20x = 3,391,071,163,565.82
5. Step 5: Solve for x
   x = 3,391,071,163,565.82/2,564,900.20
6. Step 6: Final answer
   x = 1,322,106.48