Finding the Fourth Proportional to 69,911.20, 96,478.56 and 38,080.12

Step by Step Solution

1. Step 1: Write the proportion equation
   69,911.20 : 96,478.56 = 38,080.12 : x
2. Step 2: Convert to fraction form
   69,911.20/96,478.56 = 38,080.12/x
3. Step 3: Cross multiply
   69,911.20x = 96,478.56 × 38,080.12
4. Step 4: Simplify right side
   69,911.20x = 3,673,915,142.23
5. Step 5: Solve for x
   x = 3,673,915,142.23/69,911.20
6. Step 6: Final answer
   x = 52,551.17