Finding the Fourth Proportional to 2,476.50, 3,715.06 and 916.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.50 : 3,715.06 = 916.24 : x
2. Step 2: Convert to fraction form
   2,476.50/3,715.06 = 916.24/x
3. Step 3: Cross multiply
   2,476.50x = 3,715.06 × 916.24
4. Step 4: Simplify right side
   2,476.50x = 3,403,886.57
5. Step 5: Solve for x
   x = 3,403,886.57/2,476.50
6. Step 6: Final answer
   x = 1,374.47