Finding the Fourth Proportional to 73,314.24, 109,970.40 and 17,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,314.24 : 109,970.40 = 17,910.72 : x
2. Step 2: Convert to fraction form
   73,314.24/109,970.40 = 17,910.72/x
3. Step 3: Cross multiply
   73,314.24x = 109,970.40 × 17,910.72
4. Step 4: Simplify right side
   73,314.24x = 1,969,649,042.69
5. Step 5: Solve for x
   x = 1,969,649,042.69/73,314.24
6. Step 6: Final answer
   x = 26,865.85