Finding the Fourth Proportional to 105,932.42, 146,212.20 and 60,636.66

Step by Step Solution

1. Step 1: Write the proportion equation
   105,932.42 : 146,212.20 = 60,636.66 : x
2. Step 2: Convert to fraction form
   105,932.42/146,212.20 = 60,636.66/x
3. Step 3: Cross multiply
   105,932.42x = 146,212.20 × 60,636.66
4. Step 4: Simplify right side
   105,932.42x = 8,865,819,459.25
5. Step 5: Solve for x
   x = 8,865,819,459.25/105,932.42
6. Step 6: Final answer
   x = 83,693.16