Finding the Fourth Proportional to 43,870.16, 65,774.52 and 16,160.72

Step by Step Solution

1. Step 1: Write the proportion equation
   43,870.16 : 65,774.52 = 16,160.72 : x
2. Step 2: Convert to fraction form
   43,870.16/65,774.52 = 16,160.72/x
3. Step 3: Cross multiply
   43,870.16x = 65,774.52 × 16,160.72
4. Step 4: Simplify right side
   43,870.16x = 1,062,963,600.85
5. Step 5: Solve for x
   x = 1,062,963,600.85/43,870.16
6. Step 6: Final answer
   x = 24,229.76