Finding the Fourth Proportional to 40,056.72, 55,269.72 and 23,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,056.72 : 55,269.72 = 23,280.72 : x
2. Step 2: Convert to fraction form
   40,056.72/55,269.72 = 23,280.72/x
3. Step 3: Cross multiply
   40,056.72x = 55,269.72 × 23,280.72
4. Step 4: Simplify right side
   40,056.72x = 1,286,718,875.80
5. Step 5: Solve for x
   x = 1,286,718,875.80/40,056.72
6. Step 6: Final answer
   x = 32,122.42