Finding the Fourth Proportional to 1,131,510.17, 1,686,605.86 and 1,040,708.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,510.17 : 1,686,605.86 = 1,040,708.67 : x
2. Step 2: Convert to fraction form
   1,131,510.17/1,686,605.86 = 1,040,708.67/x
3. Step 3: Cross multiply
   1,131,510.17x = 1,686,605.86 × 1,040,708.67
4. Step 4: Simplify right side
   1,131,510.17x = 1,755,265,334,332.36
5. Step 5: Solve for x
   x = 1,755,265,334,332.36/1,131,510.17
6. Step 6: Final answer
   x = 1,551,258.99