Finding the Fourth Proportional to 48,016.56, 72,016.73 and 17,615.42

Step by Step Solution

1. Step 1: Write the proportion equation
   48,016.56 : 72,016.73 = 17,615.42 : x
2. Step 2: Convert to fraction form
   48,016.56/72,016.73 = 17,615.42/x
3. Step 3: Cross multiply
   48,016.56x = 72,016.73 × 17,615.42
4. Step 4: Simplify right side
   48,016.56x = 1,268,604,945.98
5. Step 5: Solve for x
   x = 1,268,604,945.98/48,016.56
6. Step 6: Final answer
   x = 26,420.15