Finding the Fourth Proportional to 55,243.48, 82,866.06 and 13,690.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,243.48 : 82,866.06 = 13,690.52 : x
2. Step 2: Convert to fraction form
   55,243.48/82,866.06 = 13,690.52/x
3. Step 3: Cross multiply
   55,243.48x = 82,866.06 × 13,690.52
4. Step 4: Simplify right side
   55,243.48x = 1,134,479,451.75
5. Step 5: Solve for x
   x = 1,134,479,451.75/55,243.48
6. Step 6: Final answer
   x = 20,535.99