Finding the Fourth Proportional to 13,726.17, 20,588.72 and 5,823.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,726.17 : 20,588.72 = 5,823.59 : x
2. Step 2: Convert to fraction form
   13,726.17/20,588.72 = 5,823.59/x
3. Step 3: Cross multiply
   13,726.17x = 20,588.72 × 5,823.59
4. Step 4: Simplify right side
   13,726.17x = 119,900,131.84
5. Step 5: Solve for x
   x = 119,900,131.84/13,726.17
6. Step 6: Final answer
   x = 8,735.15