Finding the Fourth Proportional to 12,109.23, 18,154.04 and 3,784.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109.23 : 18,154.04 = 3,784.96 : x
2. Step 2: Convert to fraction form
   12,109.23/18,154.04 = 3,784.96/x
3. Step 3: Cross multiply
   12,109.23x = 18,154.04 × 3,784.96
4. Step 4: Simplify right side
   12,109.23x = 68,712,250.93
5. Step 5: Solve for x
   x = 68,712,250.93/12,109.23
6. Step 6: Final answer
   x = 5,674.37