Finding the Fourth Proportional to 1,499.24, 2,068.98 and 869.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.24 : 2,068.98 = 869.74 : x
2. Step 2: Convert to fraction form
   1,499.24/2,068.98 = 869.74/x
3. Step 3: Cross multiply
   1,499.24x = 2,068.98 × 869.74
4. Step 4: Simplify right side
   1,499.24x = 1,799,474.67
5. Step 5: Solve for x
   x = 1,799,474.67/1,499.24
6. Step 6: Final answer
   x = 1,200.26