Finding the Fourth Proportional to 82,128.27, 113,340.87 and 46,317.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.27 : 113,340.87 = 46,317.54 : x
2. Step 2: Convert to fraction form
   82,128.27/113,340.87 = 46,317.54/x
3. Step 3: Cross multiply
   82,128.27x = 113,340.87 × 46,317.54
4. Step 4: Simplify right side
   82,128.27x = 5,249,670,279.86
5. Step 5: Solve for x
   x = 5,249,670,279.86/82,128.27
6. Step 6: Final answer
   x = 63,920.38