Finding the Fourth Proportional to 106,517.34, 146,993.94 and 58,770.81

Step by Step Solution

1. Step 1: Write the proportion equation
   106,517.34 : 146,993.94 = 58,770.81 : x
2. Step 2: Convert to fraction form
   106,517.34/146,993.94 = 58,770.81/x
3. Step 3: Cross multiply
   106,517.34x = 146,993.94 × 58,770.81
4. Step 4: Simplify right side
   106,517.34x = 8,638,952,918.89
5. Step 5: Solve for x
   x = 8,638,952,918.89/106,517.34
6. Step 6: Final answer
   x = 81,103.72