Finding the Fourth Proportional to 3,749.34, 5,617.86 and 2,648.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,749.34 : 5,617.86 = 2,648.32 : x
2. Step 2: Convert to fraction form
   3,749.34/5,617.86 = 2,648.32/x
3. Step 3: Cross multiply
   3,749.34x = 5,617.86 × 2,648.32
4. Step 4: Simplify right side
   3,749.34x = 14,877,882.82
5. Step 5: Solve for x
   x = 14,877,882.82/3,749.34
6. Step 6: Final answer
   x = 3,968.14