Finding the Fourth Proportional to 12,111.76, 18,165.51 and 5,536.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.76 : 18,165.51 = 5,536.38 : x
2. Step 2: Convert to fraction form
   12,111.76/18,165.51 = 5,536.38/x
3. Step 3: Cross multiply
   12,111.76x = 18,165.51 × 5,536.38
4. Step 4: Simplify right side
   12,111.76x = 100,571,166.25
5. Step 5: Solve for x
   x = 100,571,166.25/12,111.76
6. Step 6: Final answer
   x = 8,303.60