Finding the Fourth Proportional to 55,105.84, 82,612.05 and 21,849.40

Step by Step Solution

1. Step 1: Write the proportion equation
   55,105.84 : 82,612.05 = 21,849.40 : x
2. Step 2: Convert to fraction form
   55,105.84/82,612.05 = 21,849.40/x
3. Step 3: Cross multiply
   55,105.84x = 82,612.05 × 21,849.40
4. Step 4: Simplify right side
   55,105.84x = 1,805,023,725.27
5. Step 5: Solve for x
   x = 1,805,023,725.27/55,105.84
6. Step 6: Final answer
   x = 32,755.58