Finding the Fourth Proportional to 1,499.56, 2,068.90 and 902.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.56 : 2,068.90 = 902.24 : x
2. Step 2: Convert to fraction form
   1,499.56/2,068.90 = 902.24/x
3. Step 3: Cross multiply
   1,499.56x = 2,068.90 × 902.24
4. Step 4: Simplify right side
   1,499.56x = 1,866,644.34
5. Step 5: Solve for x
   x = 1,866,644.34/1,499.56
6. Step 6: Final answer
   x = 1,244.79