Finding the Fourth Proportional to 72,969.42, 109,454.16 and 17,565.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,969.42 : 109,454.16 = 17,565.42 : x
2. Step 2: Convert to fraction form
   72,969.42/109,454.16 = 17,565.42/x
3. Step 3: Cross multiply
   72,969.42x = 109,454.16 × 17,565.42
4. Step 4: Simplify right side
   72,969.42x = 1,922,608,291.15
5. Step 5: Solve for x
   x = 1,922,608,291.15/72,969.42
6. Step 6: Final answer
   x = 26,348.14