Finding the Fourth Proportional to 13,081.84, 19,626.06 and 5,687.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081.84 : 19,626.06 = 5,687.62 : x
2. Step 2: Convert to fraction form
   13,081.84/19,626.06 = 5,687.62/x
3. Step 3: Cross multiply
   13,081.84x = 19,626.06 × 5,687.62
4. Step 4: Simplify right side
   13,081.84x = 111,625,543.64
5. Step 5: Solve for x
   x = 111,625,543.64/13,081.84
6. Step 6: Final answer
   x = 8,532.86