Finding the Fourth Proportional to 2,065,617.18, 2,849,719.31 and 1,248,402.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,617.18 : 2,849,719.31 = 1,248,402.07 : x
2. Step 2: Convert to fraction form
   2,065,617.18/2,849,719.31 = 1,248,402.07/x
3. Step 3: Cross multiply
   2,065,617.18x = 2,849,719.31 × 1,248,402.07
4. Step 4: Simplify right side
   2,065,617.18x = 3,557,595,485,522.97
5. Step 5: Solve for x
   x = 3,557,595,485,522.97/2,065,617.18
6. Step 6: Final answer
   x = 1,722,291.78