Finding the Fourth Proportional to 12,200.91, 18,298.93 and 5,626.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.91 : 18,298.93 = 5,626.14 : x
2. Step 2: Convert to fraction form
   12,200.91/18,298.93 = 5,626.14/x
3. Step 3: Cross multiply
   12,200.91x = 18,298.93 × 5,626.14
4. Step 4: Simplify right side
   12,200.91x = 102,952,342.03
5. Step 5: Solve for x
   x = 102,952,342.03/12,200.91
6. Step 6: Final answer
   x = 8,438.09