Finding the Fourth Proportional to 2,397,689.92, 3,309,040.88 and 1,310,126.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397,689.92 : 3,309,040.88 = 1,310,126.72 : x
2. Step 2: Convert to fraction form
   2,397,689.92/3,309,040.88 = 1,310,126.72/x
3. Step 3: Cross multiply
   2,397,689.92x = 3,309,040.88 × 1,310,126.72
4. Step 4: Simplify right side
   2,397,689.92x = 4,335,262,874,460.31
5. Step 5: Solve for x
   x = 4,335,262,874,460.31/2,397,689.92
6. Step 6: Final answer
   x = 1,808,099.89