Finding the Fourth Proportional to 72,940.72, 109,294.42 and 65,942.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,940.72 : 109,294.42 = 65,942.32 : x
2. Step 2: Convert to fraction form
   72,940.72/109,294.42 = 65,942.32/x
3. Step 3: Cross multiply
   72,940.72x = 109,294.42 × 65,942.32
4. Step 4: Simplify right side
   72,940.72x = 7,207,127,617.85
5. Step 5: Solve for x
   x = 7,207,127,617.85/72,940.72
6. Step 6: Final answer
   x = 98,808.01