Finding the Fourth Proportional to 12,337.36, 18,494.88 and 4,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,337.36 : 18,494.88 = 4,540.72 : x
2. Step 2: Convert to fraction form
   12,337.36/18,494.88 = 4,540.72/x
3. Step 3: Cross multiply
   12,337.36x = 18,494.88 × 4,540.72
4. Step 4: Simplify right side
   12,337.36x = 83,980,071.51
5. Step 5: Solve for x
   x = 83,980,071.51/12,337.36
6. Step 6: Final answer
   x = 6,806.97