Finding the Fourth Proportional to 55,666.34, 83,499.56 and 13,546.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,666.34 : 83,499.56 = 13,546.42 : x
2. Step 2: Convert to fraction form
   55,666.34/83,499.56 = 13,546.42/x
3. Step 3: Cross multiply
   55,666.34x = 83,499.56 × 13,546.42
4. Step 4: Simplify right side
   55,666.34x = 1,131,120,109.58
5. Step 5: Solve for x
   x = 1,131,120,109.58/55,666.34
6. Step 6: Final answer
   x = 20,319.64