Finding the Fourth Proportional to 81,052.32, 111,911.46 and 52,388.94

Step by Step Solution

1. Step 1: Write the proportion equation
   81,052.32 : 111,911.46 = 52,388.94 : x
2. Step 2: Convert to fraction form
   81,052.32/111,911.46 = 52,388.94/x
3. Step 3: Cross multiply
   81,052.32x = 111,911.46 × 52,388.94
4. Step 4: Simplify right side
   81,052.32x = 5,862,922,763.25
5. Step 5: Solve for x
   x = 5,862,922,763.25/81,052.32
6. Step 6: Final answer
   x = 72,335.04