Finding the Fourth Proportional to 55,105.28, 82,609.41 and 21,848.70

Step by Step Solution

1. Step 1: Write the proportion equation
   55,105.28 : 82,609.41 = 21,848.70 : x
2. Step 2: Convert to fraction form
   55,105.28/82,609.41 = 21,848.70/x
3. Step 3: Cross multiply
   55,105.28x = 82,609.41 × 21,848.70
4. Step 4: Simplify right side
   55,105.28x = 1,804,908,216.27
5. Step 5: Solve for x
   x = 1,804,908,216.27/55,105.28
6. Step 6: Final answer
   x = 32,753.82