Finding the Fourth Proportional to 200,099.24, 300,117.42 and 65,168.20

Step by Step Solution

1. Step 1: Write the proportion equation
   200,099.24 : 300,117.42 = 65,168.20 : x
2. Step 2: Convert to fraction form
   200,099.24/300,117.42 = 65,168.20/x
3. Step 3: Cross multiply
   200,099.24x = 300,117.42 × 65,168.20
4. Step 4: Simplify right side
   200,099.24x = 19,558,112,050.04
5. Step 5: Solve for x
   x = 19,558,112,050.04/200,099.24
6. Step 6: Final answer
   x = 97,742.06