Finding the Fourth Proportional to 2,428,159.69, 3,350,772.56 and 1,340,407.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,159.69 : 3,350,772.56 = 1,340,407.91 : x
2. Step 2: Convert to fraction form
   2,428,159.69/3,350,772.56 = 1,340,407.91/x
3. Step 3: Cross multiply
   2,428,159.69x = 3,350,772.56 × 1,340,407.91
4. Step 4: Simplify right side
   2,428,159.69x = 4,491,402,045,709.84
5. Step 5: Solve for x
   x = 4,491,402,045,709.84/2,428,159.69
6. Step 6: Final answer
   x = 1,849,714.44