Finding the Fourth Proportional to 12,111.01, 18,167.56 and 3,345.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.01 : 18,167.56 = 3,345.93 : x
2. Step 2: Convert to fraction form
   12,111.01/18,167.56 = 3,345.93/x
3. Step 3: Cross multiply
   12,111.01x = 18,167.56 × 3,345.93
4. Step 4: Simplify right side
   12,111.01x = 60,787,375.67
5. Step 5: Solve for x
   x = 60,787,375.67/12,111.01
6. Step 6: Final answer
   x = 5,019.18