Finding the Fourth Proportional to 67,723.16, 101,172.88 and 43,836.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,723.16 : 101,172.88 = 43,836.10 : x
2. Step 2: Convert to fraction form
   67,723.16/101,172.88 = 43,836.10/x
3. Step 3: Cross multiply
   67,723.16x = 101,172.88 × 43,836.10
4. Step 4: Simplify right side
   67,723.16x = 4,435,023,979.10
5. Step 5: Solve for x
   x = 4,435,023,979.10/67,723.16
6. Step 6: Final answer
   x = 65,487.55