Finding the Fourth Proportional to 51,976.96, 71,728.74 and 28,104.10

Step by Step Solution

1. Step 1: Write the proportion equation
   51,976.96 : 71,728.74 = 28,104.10 : x
2. Step 2: Convert to fraction form
   51,976.96/71,728.74 = 28,104.10/x
3. Step 3: Cross multiply
   51,976.96x = 71,728.74 × 28,104.10
4. Step 4: Simplify right side
   51,976.96x = 2,015,871,681.83
5. Step 5: Solve for x
   x = 2,015,871,681.83/51,976.96
6. Step 6: Final answer
   x = 38,783.95