Finding the Fourth Proportional to 43,644.72, 65,465.76 and 12,056.71

Step by Step Solution

1. Step 1: Write the proportion equation
   43,644.72 : 65,465.76 = 12,056.71 : x
2. Step 2: Convert to fraction form
   43,644.72/65,465.76 = 12,056.71/x
3. Step 3: Cross multiply
   43,644.72x = 65,465.76 × 12,056.71
4. Step 4: Simplify right side
   43,644.72x = 789,301,683.25
5. Step 5: Solve for x
   x = 789,301,683.25/43,644.72
6. Step 6: Final answer
   x = 18,084.70