Finding the Fourth Proportional to 1,368,560.91, 1,888,580.61 and 756,698.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,560.91 : 1,888,580.61 = 756,698.15 : x
2. Step 2: Convert to fraction form
   1,368,560.91/1,888,580.61 = 756,698.15/x
3. Step 3: Cross multiply
   1,368,560.91x = 1,888,580.61 × 756,698.15
4. Step 4: Simplify right side
   1,368,560.91x = 1,429,085,458,434.32
5. Step 5: Solve for x
   x = 1,429,085,458,434.32/1,368,560.91
6. Step 6: Final answer
   x = 1,044,224.95