Finding the Fourth Proportional to 2,150.58, 3,225.93 and 916.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.58 : 3,225.93 = 916.27 : x
2. Step 2: Convert to fraction form
   2,150.58/3,225.93 = 916.27/x
3. Step 3: Cross multiply
   2,150.58x = 3,225.93 × 916.27
4. Step 4: Simplify right side
   2,150.58x = 2,955,822.88
5. Step 5: Solve for x
   x = 2,955,822.88/2,150.58
6. Step 6: Final answer
   x = 1,374.43