Finding the Fourth Proportional to 72,016.10, 99,400.02 and 43,745.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,016.10 : 99,400.02 = 43,745.48 : x
2. Step 2: Convert to fraction form
   72,016.10/99,400.02 = 43,745.48/x
3. Step 3: Cross multiply
   72,016.10x = 99,400.02 × 43,745.48
4. Step 4: Simplify right side
   72,016.10x = 4,348,301,586.91
5. Step 5: Solve for x
   x = 4,348,301,586.91/72,016.10
6. Step 6: Final answer
   x = 60,379.58