Finding the Fourth Proportional to 1,368,552.89, 1,888,569.54 and 756,690.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,552.89 : 1,888,569.54 = 756,690.09 : x
2. Step 2: Convert to fraction form
   1,368,552.89/1,888,569.54 = 756,690.09/x
3. Step 3: Cross multiply
   1,368,552.89x = 1,888,569.54 × 756,690.09
4. Step 4: Simplify right side
   1,368,552.89x = 1,429,061,855,193.86
5. Step 5: Solve for x
   x = 1,429,061,855,193.86/1,368,552.89
6. Step 6: Final answer
   x = 1,044,213.83