Finding the Fourth Proportional to 10,749.51, 14,831.10 and 7,391.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749.51 : 14,831.10 = 7,391.25 : x
2. Step 2: Convert to fraction form
   10,749.51/14,831.10 = 7,391.25/x
3. Step 3: Cross multiply
   10,749.51x = 14,831.10 × 7,391.25
4. Step 4: Simplify right side
   10,749.51x = 109,620,367.88
5. Step 5: Solve for x
   x = 109,620,367.88/10,749.51
6. Step 6: Final answer
   x = 10,197.71