Finding the Fourth Proportional to 12,099.92, 18,152.69 and 3,779.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.92 : 18,152.69 = 3,779.48 : x
2. Step 2: Convert to fraction form
   12,099.92/18,152.69 = 3,779.48/x
3. Step 3: Cross multiply
   12,099.92x = 18,152.69 × 3,779.48
4. Step 4: Simplify right side
   12,099.92x = 68,607,619.14
5. Step 5: Solve for x
   x = 68,607,619.14/12,099.92
6. Step 6: Final answer
   x = 5,670.09