Finding the Fourth Proportional to 1,105,715.06, 1,656,844.59 and 769,412.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,715.06 : 1,656,844.59 = 769,412.78 : x
2. Step 2: Convert to fraction form
   1,105,715.06/1,656,844.59 = 769,412.78/x
3. Step 3: Cross multiply
   1,105,715.06x = 1,656,844.59 × 769,412.78
4. Step 4: Simplify right side
   1,105,715.06x = 1,274,797,402,019.86
5. Step 5: Solve for x
   x = 1,274,797,402,019.86/1,105,715.06
6. Step 6: Final answer
   x = 1,152,916.74