Finding the Fourth Proportional to 2,688.67, 4,034.70 and 1,456.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688.67 : 4,034.70 = 1,456.93 : x
2. Step 2: Convert to fraction form
   2,688.67/4,034.70 = 1,456.93/x
3. Step 3: Cross multiply
   2,688.67x = 4,034.70 × 1,456.93
4. Step 4: Simplify right side
   2,688.67x = 5,878,275.47
5. Step 5: Solve for x
   x = 5,878,275.47/2,688.67
6. Step 6: Final answer
   x = 2,186.31