Finding the Fourth Proportional to 1,915,112.89, 2,642,819.69 and 1,043,955.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,112.89 : 2,642,819.69 = 1,043,955.61 : x
2. Step 2: Convert to fraction form
   1,915,112.89/2,642,819.69 = 1,043,955.61/x
3. Step 3: Cross multiply
   1,915,112.89x = 2,642,819.69 × 1,043,955.61
4. Step 4: Simplify right side
   1,915,112.89x = 2,758,986,431,724.55
5. Step 5: Solve for x
   x = 2,758,986,431,724.55/1,915,112.89
6. Step 6: Final answer
   x = 1,440,639.06