Finding the Fourth Proportional to 105,854.56, 146,090.92 and 60,536.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,854.56 : 146,090.92 = 60,536.76 : x
2. Step 2: Convert to fraction form
   105,854.56/146,090.92 = 60,536.76/x
3. Step 3: Cross multiply
   105,854.56x = 146,090.92 × 60,536.76
4. Step 4: Simplify right side
   105,854.56x = 8,843,870,463.08
5. Step 5: Solve for x
   x = 8,843,870,463.08/105,854.56
6. Step 6: Final answer
   x = 83,547.37