Finding the Fourth Proportional to 2,107,156.47, 3,159,454.77 and 826,229.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,156.47 : 3,159,454.77 = 826,229.29 : x
2. Step 2: Convert to fraction form
   2,107,156.47/3,159,454.77 = 826,229.29/x
3. Step 3: Cross multiply
   2,107,156.47x = 3,159,454.77 × 826,229.29
4. Step 4: Simplify right side
   2,107,156.47x = 2,610,434,071,404.21
5. Step 5: Solve for x
   x = 2,610,434,071,404.21/2,107,156.47
6. Step 6: Final answer
   x = 1,238,842.06