Finding the Fourth Proportional to 40,608.72, 60,850.14 and 28,152.96

Step by Step Solution

1. Step 1: Write the proportion equation
   40,608.72 : 60,850.14 = 28,152.96 : x
2. Step 2: Convert to fraction form
   40,608.72/60,850.14 = 28,152.96/x
3. Step 3: Cross multiply
   40,608.72x = 60,850.14 × 28,152.96
4. Step 4: Simplify right side
   40,608.72x = 1,713,111,557.41
5. Step 5: Solve for x
   x = 1,713,111,557.41/40,608.72
6. Step 6: Final answer
   x = 42,185.81