Finding the Fourth Proportional to 1,499.28, 2,068.98 and 869.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.28 : 2,068.98 = 869.77 : x
2. Step 2: Convert to fraction form
   1,499.28/2,068.98 = 869.77/x
3. Step 3: Cross multiply
   1,499.28x = 2,068.98 × 869.77
4. Step 4: Simplify right side
   1,499.28x = 1,799,536.06
5. Step 5: Solve for x
   x = 1,799,536.06/1,499.28
6. Step 6: Final answer
   x = 1,200.27