Finding the Fourth Proportional to 13,085.77, 19,626.54 and 5,688.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085.77 : 19,626.54 = 5,688.22 : x
2. Step 2: Convert to fraction form
   13,085.77/19,626.54 = 5,688.22/x
3. Step 3: Cross multiply
   13,085.77x = 19,626.54 × 5,688.22
4. Step 4: Simplify right side
   13,085.77x = 111,640,077.36
5. Step 5: Solve for x
   x = 111,640,077.36/13,085.77
6. Step 6: Final answer
   x = 8,531.41