Finding the Fourth Proportional to 40,288.50, 60,426.27 and 28,566.18

Step by Step Solution

1. Step 1: Write the proportion equation
   40,288.50 : 60,426.27 = 28,566.18 : x
2. Step 2: Convert to fraction form
   40,288.50/60,426.27 = 28,566.18/x
3. Step 3: Cross multiply
   40,288.50x = 60,426.27 × 28,566.18
4. Step 4: Simplify right side
   40,288.50x = 1,726,147,705.55
5. Step 5: Solve for x
   x = 1,726,147,705.55/40,288.50
6. Step 6: Final answer
   x = 42,844.68