Finding the Fourth Proportional to 13,831.50, 19,087.61 and 7,544.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,831.50 : 19,087.61 = 7,544.01 : x
2. Step 2: Convert to fraction form
   13,831.50/19,087.61 = 7,544.01/x
3. Step 3: Cross multiply
   13,831.50x = 19,087.61 × 7,544.01
4. Step 4: Simplify right side
   13,831.50x = 143,997,083.00
5. Step 5: Solve for x
   x = 143,997,083.00/13,831.50
6. Step 6: Final answer
   x = 10,410.81