Finding the Fourth Proportional to 43,538.15, 65,336.34 and 15,836.15

Step by Step Solution

1. Step 1: Write the proportion equation
   43,538.15 : 65,336.34 = 15,836.15 : x
2. Step 2: Convert to fraction form
   43,538.15/65,336.34 = 15,836.15/x
3. Step 3: Cross multiply
   43,538.15x = 65,336.34 × 15,836.15
4. Step 4: Simplify right side
   43,538.15x = 1,034,676,080.69
5. Step 5: Solve for x
   x = 1,034,676,080.69/43,538.15
6. Step 6: Final answer
   x = 23,764.82