Finding the Fourth Proportional to 74,016.30, 111,243.15 and 72,704.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,016.30 : 111,243.15 = 72,704.10 : x
2. Step 2: Convert to fraction form
   74,016.30/111,243.15 = 72,704.10/x
3. Step 3: Cross multiply
   74,016.30x = 111,243.15 × 72,704.10
4. Step 4: Simplify right side
   74,016.30x = 8,087,833,101.92
5. Step 5: Solve for x
   x = 8,087,833,101.92/74,016.30
6. Step 6: Final answer
   x = 109,270.97