Finding the Fourth Proportional to 69,168.72, 95,415.12 and 60,200.40

Step by Step Solution

1. Step 1: Write the proportion equation
   69,168.72 : 95,415.12 = 60,200.40 : x
2. Step 2: Convert to fraction form
   69,168.72/95,415.12 = 60,200.40/x
3. Step 3: Cross multiply
   69,168.72x = 95,415.12 × 60,200.40
4. Step 4: Simplify right side
   69,168.72x = 5,744,028,390.05
5. Step 5: Solve for x
   x = 5,744,028,390.05/69,168.72
6. Step 6: Final answer
   x = 83,043.73