Finding the Fourth Proportional to 55,119.42, 82,679.31 and 13,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,119.42 : 82,679.31 = 13,566.42 : x
2. Step 2: Convert to fraction form
   55,119.42/82,679.31 = 13,566.42/x
3. Step 3: Cross multiply
   55,119.42x = 82,679.31 × 13,566.42
4. Step 4: Simplify right side
   55,119.42x = 1,121,662,244.77
5. Step 5: Solve for x
   x = 1,121,662,244.77/55,119.42
6. Step 6: Final answer
   x = 20,349.67