Finding the Fourth Proportional to 55,722.42, 83,580.69 and 18,277.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,722.42 : 83,580.69 = 18,277.56 : x
2. Step 2: Convert to fraction form
   55,722.42/83,580.69 = 18,277.56/x
3. Step 3: Cross multiply
   55,722.42x = 83,580.69 × 18,277.56
4. Step 4: Simplify right side
   55,722.42x = 1,527,651,076.32
5. Step 5: Solve for x
   x = 1,527,651,076.32/55,722.42
6. Step 6: Final answer
   x = 27,415.38