Finding the Fourth Proportional to 1,002.26, 1,499.84 and 878.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.26 : 1,499.84 = 878.54 : x
2. Step 2: Convert to fraction form
   1,002.26/1,499.84 = 878.54/x
3. Step 3: Cross multiply
   1,002.26x = 1,499.84 × 878.54
4. Step 4: Simplify right side
   1,002.26x = 1,317,669.43
5. Step 5: Solve for x
   x = 1,317,669.43/1,002.26
6. Step 6: Final answer
   x = 1,314.70