Finding the Fourth Proportional to 13,831.16, 19,086.94 and 7,543.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,831.16 : 19,086.94 = 7,543.52 : x
2. Step 2: Convert to fraction form
   13,831.16/19,086.94 = 7,543.52/x
3. Step 3: Cross multiply
   13,831.16x = 19,086.94 × 7,543.52
4. Step 4: Simplify right side
   13,831.16x = 143,982,713.63
5. Step 5: Solve for x
   x = 143,982,713.63/13,831.16
6. Step 6: Final answer
   x = 10,410.02