Finding the Fourth Proportional to 1,064.34, 1,467.72 and 916.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.34 : 1,467.72 = 916.92 : x
2. Step 2: Convert to fraction form
   1,064.34/1,467.72 = 916.92/x
3. Step 3: Cross multiply
   1,064.34x = 1,467.72 × 916.92
4. Step 4: Simplify right side
   1,064.34x = 1,345,781.82
5. Step 5: Solve for x
   x = 1,345,781.82/1,064.34
6. Step 6: Final answer
   x = 1,264.43