Finding the Fourth Proportional to 1,624.52, 2,241.29 and 916.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.52 : 2,241.29 = 916.27 : x
2. Step 2: Convert to fraction form
   1,624.52/2,241.29 = 916.27/x
3. Step 3: Cross multiply
   1,624.52x = 2,241.29 × 916.27
4. Step 4: Simplify right side
   1,624.52x = 2,053,626.79
5. Step 5: Solve for x
   x = 2,053,626.79/1,624.52
6. Step 6: Final answer
   x = 1,264.15