Finding the Fourth Proportional to 2,664,390.71, 3,676,856.58 and 1,440,693.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664,390.71 : 3,676,856.58 = 1,440,693.31 : x
2. Step 2: Convert to fraction form
   2,664,390.71/3,676,856.58 = 1,440,693.31/x
3. Step 3: Cross multiply
   2,664,390.71x = 3,676,856.58 × 1,440,693.31
4. Step 4: Simplify right side
   2,664,390.71x = 5,297,222,676,635.48
5. Step 5: Solve for x
   x = 5,297,222,676,635.48/2,664,390.71
6. Step 6: Final answer
   x = 1,988,155.36