Finding the Fourth Proportional to 1,368,727.67, 1,888,856.42 and 756,921.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,727.67 : 1,888,856.42 = 756,921.61 : x
2. Step 2: Convert to fraction form
   1,368,727.67/1,888,856.42 = 756,921.61/x
3. Step 3: Cross multiply
   1,368,727.67x = 1,888,856.42 × 756,921.61
4. Step 4: Simplify right side
   1,368,727.67x = 1,429,716,241,061.70
5. Step 5: Solve for x
   x = 1,429,716,241,061.70/1,368,727.67
6. Step 6: Final answer
   x = 1,044,558.59