Finding the Fourth Proportional to 2,691.72, 4,038.72 and 1,460

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691.72 : 4,038.72 = 1,460 : x
2. Step 2: Convert to fraction form
   2,691.72/4,038.72 = 1,460/x
3. Step 3: Cross multiply
   2,691.72x = 4,038.72 × 1,460
4. Step 4: Simplify right side
   2,691.72x = 5,896,531.20
5. Step 5: Solve for x
   x = 5,896,531.20/2,691.72
6. Step 6: Final answer
   x = 2,190.62