Finding the Fourth Proportional to 72,964.42, 109,446.66 and 17,560.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,964.42 : 109,446.66 = 17,560.42 : x
2. Step 2: Convert to fraction form
   72,964.42/109,446.66 = 17,560.42/x
3. Step 3: Cross multiply
   72,964.42x = 109,446.66 × 17,560.42
4. Step 4: Simplify right side
   72,964.42x = 1,921,929,317.20
5. Step 5: Solve for x
   x = 1,921,929,317.20/72,964.42
6. Step 6: Final answer
   x = 26,340.64