Finding the Fourth Proportional to 2,103,507.03, 3,156,680.27 and 823,955.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103,507.03 : 3,156,680.27 = 823,955.78 : x
2. Step 2: Convert to fraction form
   2,103,507.03/3,156,680.27 = 823,955.78/x
3. Step 3: Cross multiply
   2,103,507.03x = 3,156,680.27 × 823,955.78
4. Step 4: Simplify right side
   2,103,507.03x = 2,600,964,957,850.38
5. Step 5: Solve for x
   x = 2,600,964,957,850.38/2,103,507.03
6. Step 6: Final answer
   x = 1,236,489.79