Finding the Fourth Proportional to 105,980.22, 146,237.13 and 60,651

Step by Step Solution

1. Step 1: Write the proportion equation
   105,980.22 : 146,237.13 = 60,651 : x
2. Step 2: Convert to fraction form
   105,980.22/146,237.13 = 60,651/x
3. Step 3: Cross multiply
   105,980.22x = 146,237.13 × 60,651
4. Step 4: Simplify right side
   105,980.22x = 8,869,428,171.63
5. Step 5: Solve for x
   x = 8,869,428,171.63/105,980.22
6. Step 6: Final answer
   x = 83,689.47