Finding the Fourth Proportional to 55,123.94, 82,689.56 and 21,843.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,123.94 : 82,689.56 = 21,843.88 : x
2. Step 2: Convert to fraction form
   55,123.94/82,689.56 = 21,843.88/x
3. Step 3: Cross multiply
   55,123.94x = 82,689.56 × 21,843.88
4. Step 4: Simplify right side
   55,123.94x = 1,806,260,591.86
5. Step 5: Solve for x
   x = 1,806,260,591.86/55,123.94
6. Step 6: Final answer
   x = 32,767.26