Finding the Fourth Proportional to 82,436.20, 113,760.60 and 46,624.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,436.20 : 113,760.60 = 46,624.86 : x
2. Step 2: Convert to fraction form
   82,436.20/113,760.60 = 46,624.86/x
3. Step 3: Cross multiply
   82,436.20x = 113,760.60 × 46,624.86
4. Step 4: Simplify right side
   82,436.20x = 5,304,072,048.52
5. Step 5: Solve for x
   x = 5,304,072,048.52/82,436.20
6. Step 6: Final answer
   x = 64,341.54