Finding the Fourth Proportional to 12,111.64, 18,167.10 and 3,347.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.64 : 18,167.10 = 3,347.08 : x
2. Step 2: Convert to fraction form
   12,111.64/18,167.10 = 3,347.08/x
3. Step 3: Cross multiply
   12,111.64x = 18,167.10 × 3,347.08
4. Step 4: Simplify right side
   12,111.64x = 60,806,737.07
5. Step 5: Solve for x
   x = 60,806,737.07/12,111.64
6. Step 6: Final answer
   x = 5,020.52