Finding the Fourth Proportional to 12,074.18, 18,109.74 and 4,673.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.18 : 18,109.74 = 4,673.59 : x
2. Step 2: Convert to fraction form
   12,074.18/18,109.74 = 4,673.59/x
3. Step 3: Cross multiply
   12,074.18x = 18,109.74 × 4,673.59
4. Step 4: Simplify right side
   12,074.18x = 84,637,499.77
5. Step 5: Solve for x
   x = 84,637,499.77/12,074.18
6. Step 6: Final answer
   x = 7,009.79