Finding the Fourth Proportional to 105,881.31, 146,017.22 and 84,442.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,881.31 : 146,017.22 = 84,442.37 : x
2. Step 2: Convert to fraction form
   105,881.31/146,017.22 = 84,442.37/x
3. Step 3: Cross multiply
   105,881.31x = 146,017.22 × 84,442.37
4. Step 4: Simplify right side
   105,881.31x = 12,330,038,965.31
5. Step 5: Solve for x
   x = 12,330,038,965.31/105,881.31
6. Step 6: Final answer
   x = 116,451.52