Finding the Fourth Proportional to 73,116.50, 109,675.32 and 17,712.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,116.50 : 109,675.32 = 17,712.50 : x
2. Step 2: Convert to fraction form
   73,116.50/109,675.32 = 17,712.50/x
3. Step 3: Cross multiply
   73,116.50x = 109,675.32 × 17,712.50
4. Step 4: Simplify right side
   73,116.50x = 1,942,624,105.50
5. Step 5: Solve for x
   x = 1,942,624,105.50/73,116.50
6. Step 6: Final answer
   x = 26,568.89