Finding the Fourth Proportional to 2,672.01, 4,007.46 and 916.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.01 : 4,007.46 = 916.83 : x
2. Step 2: Convert to fraction form
   2,672.01/4,007.46 = 916.83/x
3. Step 3: Cross multiply
   2,672.01x = 4,007.46 × 916.83
4. Step 4: Simplify right side
   2,672.01x = 3,674,159.55
5. Step 5: Solve for x
   x = 3,674,159.55/2,672.01
6. Step 6: Final answer
   x = 1,375.05