Finding the Fourth Proportional to 8,726.73, 13,085.13 and 5,956.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,726.73 : 13,085.13 = 5,956.77 : x
2. Step 2: Convert to fraction form
   8,726.73/13,085.13 = 5,956.77/x
3. Step 3: Cross multiply
   8,726.73x = 13,085.13 × 5,956.77
4. Step 4: Simplify right side
   8,726.73x = 77,945,109.83
5. Step 5: Solve for x
   x = 77,945,109.83/8,726.73
6. Step 6: Final answer
   x = 8,931.77