Finding the Fourth Proportional to 12,080.43, 18,117.84 and 3,316.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,080.43 : 18,117.84 = 3,316.05 : x
2. Step 2: Convert to fraction form
   12,080.43/18,117.84 = 3,316.05/x
3. Step 3: Cross multiply
   12,080.43x = 18,117.84 × 3,316.05
4. Step 4: Simplify right side
   12,080.43x = 60,079,663.33
5. Step 5: Solve for x
   x = 60,079,663.33/12,080.43
6. Step 6: Final answer
   x = 4,973.31