Finding the Fourth Proportional to 72,867.84, 109,317.12 and 23,616

Step by Step Solution

1. Step 1: Write the proportion equation
   72,867.84 : 109,317.12 = 23,616 : x
2. Step 2: Convert to fraction form
   72,867.84/109,317.12 = 23,616/x
3. Step 3: Cross multiply
   72,867.84x = 109,317.12 × 23,616
4. Step 4: Simplify right side
   72,867.84x = 2,581,633,105.92
5. Step 5: Solve for x
   x = 2,581,633,105.92/72,867.84
6. Step 6: Final answer
   x = 35,428.98