Finding the Fourth Proportional to 2,689,279.89, 4,034,772.59 and 960,112.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689,279.89 : 4,034,772.59 = 960,112.64 : x
2. Step 2: Convert to fraction form
   2,689,279.89/4,034,772.59 = 960,112.64/x
3. Step 3: Cross multiply
   2,689,279.89x = 4,034,772.59 × 960,112.64
4. Step 4: Simplify right side
   2,689,279.89x = 3,873,836,155,497.89
5. Step 5: Solve for x
   x = 3,873,836,155,497.89/2,689,279.89
6. Step 6: Final answer
   x = 1,440,473.40