Finding the Fourth Proportional to 83,186.96, 124,709.72 and 36,404.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83,186.96 : 124,709.72 = 36,404.88 : x
2. Step 2: Convert to fraction form
   83,186.96/124,709.72 = 36,404.88/x
3. Step 3: Cross multiply
   83,186.96x = 124,709.72 × 36,404.88
4. Step 4: Simplify right side
   83,186.96x = 4,540,042,391.43
5. Step 5: Solve for x
   x = 4,540,042,391.43/83,186.96
6. Step 6: Final answer
   x = 54,576.37