Finding the Fourth Proportional to 60,456.30, 84,726.30 and 60,456.30

Step by Step Solution

1. Step 1: Write the proportion equation
   60,456.30 : 84,726.30 = 60,456.30 : x
2. Step 2: Convert to fraction form
   60,456.30/84,726.30 = 60,456.30/x
3. Step 3: Cross multiply
   60,456.30x = 84,726.30 × 60,456.30
4. Step 4: Simplify right side
   60,456.30x = 5,122,238,610.69
5. Step 5: Solve for x
   x = 5,122,238,610.69/60,456.30
6. Step 6: Final answer
   x = 84,726.30