Finding the Fourth Proportional to 69,760.40, 96,266.72 and 37,928.20

Step by Step Solution

1. Step 1: Write the proportion equation
   69,760.40 : 96,266.72 = 37,928.20 : x
2. Step 2: Convert to fraction form
   69,760.40/96,266.72 = 37,928.20/x
3. Step 3: Cross multiply
   69,760.40x = 96,266.72 × 37,928.20
4. Step 4: Simplify right side
   69,760.40x = 3,651,223,409.50
5. Step 5: Solve for x
   x = 3,651,223,409.50/69,760.40
6. Step 6: Final answer
   x = 52,339.49