Finding the Fourth Proportional to 1,503.24, 2,073.72 and 914.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503.24 : 2,073.72 = 914.16 : x
2. Step 2: Convert to fraction form
   1,503.24/2,073.72 = 914.16/x
3. Step 3: Cross multiply
   1,503.24x = 2,073.72 × 914.16
4. Step 4: Simplify right side
   1,503.24x = 1,895,711.88
5. Step 5: Solve for x
   x = 1,895,711.88/1,503.24
6. Step 6: Final answer
   x = 1,261.08