Finding the Fourth Proportional to 12,388.22, 18,584.27 and 4,066.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.22 : 18,584.27 = 4,066.35 : x
2. Step 2: Convert to fraction form
   12,388.22/18,584.27 = 4,066.35/x
3. Step 3: Cross multiply
   12,388.22x = 18,584.27 × 4,066.35
4. Step 4: Simplify right side
   12,388.22x = 75,570,146.31
5. Step 5: Solve for x
   x = 75,570,146.31/12,388.22
6. Step 6: Final answer
   x = 6,100.16