Finding the Fourth Proportional to 72,633.81, 108,954.83 and 25,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,633.81 : 108,954.83 = 25,886.69 : x
2. Step 2: Convert to fraction form
   72,633.81/108,954.83 = 25,886.69/x
3. Step 3: Cross multiply
   72,633.81x = 108,954.83 × 25,886.69
4. Step 4: Simplify right side
   72,633.81x = 2,820,479,908.21
5. Step 5: Solve for x
   x = 2,820,479,908.21/72,633.81
6. Step 6: Final answer
   x = 38,831.50