Finding the Fourth Proportional to 1,678,013.59, 2,315,646.94 and 914,067.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,013.59 : 2,315,646.94 = 914,067.15 : x
2. Step 2: Convert to fraction form
   1,678,013.59/2,315,646.94 = 914,067.15/x
3. Step 3: Cross multiply
   1,678,013.59x = 2,315,646.94 × 914,067.15
4. Step 4: Simplify right side
   1,678,013.59x = 2,116,656,794,281.69
5. Step 5: Solve for x
   x = 2,116,656,794,281.69/1,678,013.59
6. Step 6: Final answer
   x = 1,261,406.23