Finding the Fourth Proportional to 43,436.72, 65,176.68 and 17,160.32

Step by Step Solution

1. Step 1: Write the proportion equation
   43,436.72 : 65,176.68 = 17,160.32 : x
2. Step 2: Convert to fraction form
   43,436.72/65,176.68 = 17,160.32/x
3. Step 3: Cross multiply
   43,436.72x = 65,176.68 × 17,160.32
4. Step 4: Simplify right side
   43,436.72x = 1,118,452,685.34
5. Step 5: Solve for x
   x = 1,118,452,685.34/43,436.72
6. Step 6: Final answer
   x = 25,749.01