Finding the Fourth Proportional to 2,664,386.71, 3,676,851.06 and 1,440,689.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664,386.71 : 3,676,851.06 = 1,440,689.31 : x
2. Step 2: Convert to fraction form
   2,664,386.71/3,676,851.06 = 1,440,689.31/x
3. Step 3: Cross multiply
   2,664,386.71x = 3,676,851.06 × 1,440,689.31
4. Step 4: Simplify right side
   2,664,386.71x = 5,297,200,016,604.17
5. Step 5: Solve for x
   x = 5,297,200,016,604.17/2,664,386.71
6. Step 6: Final answer
   x = 1,988,149.84