Finding the Fourth Proportional to 2,476.52, 3,715.20 and 916.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.52 : 3,715.20 = 916.52 : x
2. Step 2: Convert to fraction form
   2,476.52/3,715.20 = 916.52/x
3. Step 3: Cross multiply
   2,476.52x = 3,715.20 × 916.52
4. Step 4: Simplify right side
   2,476.52x = 3,405,055.10
5. Step 5: Solve for x
   x = 3,405,055.10/2,476.52
6. Step 6: Final answer
   x = 1,374.94