Finding the Fourth Proportional to 40,820.59, 56,328.56 and 22,912.10

Step by Step Solution

1. Step 1: Write the proportion equation
   40,820.59 : 56,328.56 = 22,912.10 : x
2. Step 2: Convert to fraction form
   40,820.59/56,328.56 = 22,912.10/x
3. Step 3: Cross multiply
   40,820.59x = 56,328.56 × 22,912.10
4. Step 4: Simplify right side
   40,820.59x = 1,290,605,629.41
5. Step 5: Solve for x
   x = 1,290,605,629.41/40,820.59
6. Step 6: Final answer
   x = 31,616.53