Finding the Fourth Proportional to 81,931.37, 113,063.63 and 46,120.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,931.37 : 113,063.63 = 46,120.59 : x
2. Step 2: Convert to fraction form
   81,931.37/113,063.63 = 46,120.59/x
3. Step 3: Cross multiply
   81,931.37x = 113,063.63 × 46,120.59
4. Step 4: Simplify right side
   81,931.37x = 5,214,561,092.54
5. Step 5: Solve for x
   x = 5,214,561,092.54/81,931.37
6. Step 6: Final answer
   x = 63,645.48