Finding the Fourth Proportional to 1,475.94, 2,036.79 and 916.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.94 : 2,036.79 = 916.23 : x
2. Step 2: Convert to fraction form
   1,475.94/2,036.79 = 916.23/x
3. Step 3: Cross multiply
   1,475.94x = 2,036.79 × 916.23
4. Step 4: Simplify right side
   1,475.94x = 1,866,168.10
5. Step 5: Solve for x
   x = 1,866,168.10/1,475.94
6. Step 6: Final answer
   x = 1,264.39