Finding the Fourth Proportional to 1,274,568.51, 1,758,902.72 and 693,789.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274,568.51 : 1,758,902.72 = 693,789.85 : x
2. Step 2: Convert to fraction form
   1,274,568.51/1,758,902.72 = 693,789.85/x
3. Step 3: Cross multiply
   1,274,568.51x = 1,758,902.72 × 693,789.85
4. Step 4: Simplify right side
   1,274,568.51x = 1,220,308,846,407.19
5. Step 5: Solve for x
   x = 1,220,308,846,407.19/1,274,568.51
6. Step 6: Final answer
   x = 957,428.99