Finding the Fourth Proportional to 105,973.48, 146,246.52 and 60,666

Step by Step Solution

1. Step 1: Write the proportion equation
   105,973.48 : 146,246.52 = 60,666 : x
2. Step 2: Convert to fraction form
   105,973.48/146,246.52 = 60,666/x
3. Step 3: Cross multiply
   105,973.48x = 146,246.52 × 60,666
4. Step 4: Simplify right side
   105,973.48x = 8,872,191,382.32
5. Step 5: Solve for x
   x = 8,872,191,382.32/105,973.48
6. Step 6: Final answer
   x = 83,720.86