Finding the Fourth Proportional to 22,612.10, 33,905.72 and 17,961.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,612.10 : 33,905.72 = 17,961.89 : x
2. Step 2: Convert to fraction form
   22,612.10/33,905.72 = 17,961.89/x
3. Step 3: Cross multiply
   22,612.10x = 33,905.72 × 17,961.89
4. Step 4: Simplify right side
   22,612.10x = 609,010,688.39
5. Step 5: Solve for x
   x = 609,010,688.39/22,612.10
6. Step 6: Final answer
   x = 26,932.96