Finding the Fourth Proportional to 2,476.56, 3,714.62 and 916.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.56 : 3,714.62 = 916.58 : x
2. Step 2: Convert to fraction form
   2,476.56/3,714.62 = 916.58/x
3. Step 3: Cross multiply
   2,476.56x = 3,714.62 × 916.58
4. Step 4: Simplify right side
   2,476.56x = 3,404,757.98
5. Step 5: Solve for x
   x = 3,404,757.98/2,476.56
6. Step 6: Final answer
   x = 1,374.79