Finding the Fourth Proportional to 22,156.86, 30,587.75 and 17,109.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.86 : 30,587.75 = 17,109.75 : x
2. Step 2: Convert to fraction form
   22,156.86/30,587.75 = 17,109.75/x
3. Step 3: Cross multiply
   22,156.86x = 30,587.75 × 17,109.75
4. Step 4: Simplify right side
   22,156.86x = 523,348,724.94
5. Step 5: Solve for x
   x = 523,348,724.94/22,156.86
6. Step 6: Final answer
   x = 23,620.17