Finding the Fourth Proportional to 1,498.33, 2,068.13 and 869.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.33 : 2,068.13 = 869.15 : x
2. Step 2: Convert to fraction form
   1,498.33/2,068.13 = 869.15/x
3. Step 3: Cross multiply
   1,498.33x = 2,068.13 × 869.15
4. Step 4: Simplify right side
   1,498.33x = 1,797,510.90
5. Step 5: Solve for x
   x = 1,797,510.90/1,498.33
6. Step 6: Final answer
   x = 1,199.68