Finding the Fourth Proportional to 60,456.80, 84,727 and 60,456.80

Step by Step Solution

1. Step 1: Write the proportion equation
   60,456.80 : 84,727 = 60,456.80 : x
2. Step 2: Convert to fraction form
   60,456.80/84,727 = 60,456.80/x
3. Step 3: Cross multiply
   60,456.80x = 84,727 × 60,456.80
4. Step 4: Simplify right side
   60,456.80x = 5,122,323,293.60
5. Step 5: Solve for x
   x = 5,122,323,293.60/60,456.80
6. Step 6: Final answer
   x = 84,727