Finding the Fourth Proportional to 2,657.72, 3,663.43 and 2,097.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657.72 : 3,663.43 = 2,097.28 : x
2. Step 2: Convert to fraction form
   2,657.72/3,663.43 = 2,097.28/x
3. Step 3: Cross multiply
   2,657.72x = 3,663.43 × 2,097.28
4. Step 4: Simplify right side
   2,657.72x = 7,683,238.47
5. Step 5: Solve for x
   x = 7,683,238.47/2,657.72
6. Step 6: Final answer
   x = 2,890.91