Finding the Fourth Proportional to 81,867.24, 122,808.15 and 35,109.18

Step by Step Solution

1. Step 1: Write the proportion equation
   81,867.24 : 122,808.15 = 35,109.18 : x
2. Step 2: Convert to fraction form
   81,867.24/122,808.15 = 35,109.18/x
3. Step 3: Cross multiply
   81,867.24x = 122,808.15 × 35,109.18
4. Step 4: Simplify right side
   81,867.24x = 4,311,693,443.82
5. Step 5: Solve for x
   x = 4,311,693,443.82/81,867.24
6. Step 6: Final answer
   x = 52,666.90