Finding the Fourth Proportional to 12,099.19, 18,141.72 and 4,695

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.19 : 18,141.72 = 4,695 : x
2. Step 2: Convert to fraction form
   12,099.19/18,141.72 = 4,695/x
3. Step 3: Cross multiply
   12,099.19x = 18,141.72 × 4,695
4. Step 4: Simplify right side
   12,099.19x = 85,175,375.40
5. Step 5: Solve for x
   x = 85,175,375.40/12,099.19
6. Step 6: Final answer
   x = 7,039.76