Finding the Fourth Proportional to 81,929.31, 113,061.20 and 46,119.21

Step by Step Solution

1. Step 1: Write the proportion equation
   81,929.31 : 113,061.20 = 46,119.21 : x
2. Step 2: Convert to fraction form
   81,929.31/113,061.20 = 46,119.21/x
3. Step 3: Cross multiply
   81,929.31x = 113,061.20 × 46,119.21
4. Step 4: Simplify right side
   81,929.31x = 5,214,292,995.06
5. Step 5: Solve for x
   x = 5,214,292,995.06/81,929.31
6. Step 6: Final answer
   x = 63,643.80