Finding the Fourth Proportional to 40,741.52, 56,164.42 and 28,605.05

Step by Step Solution

1. Step 1: Write the proportion equation
   40,741.52 : 56,164.42 = 28,605.05 : x
2. Step 2: Convert to fraction form
   40,741.52/56,164.42 = 28,605.05/x
3. Step 3: Cross multiply
   40,741.52x = 56,164.42 × 28,605.05
4. Step 4: Simplify right side
   40,741.52x = 1,606,586,007.87
5. Step 5: Solve for x
   x = 1,606,586,007.87/40,741.52
6. Step 6: Final answer
   x = 39,433.63