Finding the Fourth Proportional to 12,272.42, 18,411.69 and 3,507.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,272.42 : 18,411.69 = 3,507.41 : x
2. Step 2: Convert to fraction form
   12,272.42/18,411.69 = 3,507.41/x
3. Step 3: Cross multiply
   12,272.42x = 18,411.69 × 3,507.41
4. Step 4: Simplify right side
   12,272.42x = 64,577,345.62
5. Step 5: Solve for x
   x = 64,577,345.62/12,272.42
6. Step 6: Final answer
   x = 5,261.99