Finding the Fourth Proportional to 83,828.52, 115,685.78 and 46,105.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,828.52 : 115,685.78 = 46,105.20 : x
2. Step 2: Convert to fraction form
   83,828.52/115,685.78 = 46,105.20/x
3. Step 3: Cross multiply
   83,828.52x = 115,685.78 × 46,105.20
4. Step 4: Simplify right side
   83,828.52x = 5,333,716,024.06
5. Step 5: Solve for x
   x = 5,333,716,024.06/83,828.52
6. Step 6: Final answer
   x = 63,626.51