Finding the Fourth Proportional to 15,111.18, 22,665.69 and 4,581.45

Step by Step Solution

1. Step 1: Write the proportion equation
   15,111.18 : 22,665.69 = 4,581.45 : x
2. Step 2: Convert to fraction form
   15,111.18/22,665.69 = 4,581.45/x
3. Step 3: Cross multiply
   15,111.18x = 22,665.69 × 4,581.45
4. Step 4: Simplify right side
   15,111.18x = 103,841,725.45
5. Step 5: Solve for x
   x = 103,841,725.45/15,111.18
6. Step 6: Final answer
   x = 6,871.85