Finding the Fourth Proportional to 105,866.72, 146,097.36 and 60,544

Step by Step Solution

1. Step 1: Write the proportion equation
   105,866.72 : 146,097.36 = 60,544 : x
2. Step 2: Convert to fraction form
   105,866.72/146,097.36 = 60,544/x
3. Step 3: Cross multiply
   105,866.72x = 146,097.36 × 60,544
4. Step 4: Simplify right side
   105,866.72x = 8,845,318,563.84
5. Step 5: Solve for x
   x = 8,845,318,563.84/105,866.72
6. Step 6: Final answer
   x = 83,551.46