Finding the Fourth Proportional to 2,658,200.31, 3,987,107.69 and 1,038,664.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,200.31 : 3,987,107.69 = 1,038,664.71 : x
2. Step 2: Convert to fraction form
   2,658,200.31/3,987,107.69 = 1,038,664.71/x
3. Step 3: Cross multiply
   2,658,200.31x = 3,987,107.69 × 1,038,664.71
4. Step 4: Simplify right side
   2,658,200.31x = 4,141,268,047,379.30
5. Step 5: Solve for x
   x = 4,141,268,047,379.30/2,658,200.31
6. Step 6: Final answer
   x = 1,557,921.74