Finding the Fourth Proportional to 40,680.16, 56,128.96 and 23,674.12

Step by Step Solution

1. Step 1: Write the proportion equation
   40,680.16 : 56,128.96 = 23,674.12 : x
2. Step 2: Convert to fraction form
   40,680.16/56,128.96 = 23,674.12/x
3. Step 3: Cross multiply
   40,680.16x = 56,128.96 × 23,674.12
4. Step 4: Simplify right side
   40,680.16x = 1,328,803,734.52
5. Step 5: Solve for x
   x = 1,328,803,734.52/40,680.16
6. Step 6: Final answer
   x = 32,664.66