Finding the Fourth Proportional to 105,598.73, 145,730.27 and 60,284.09

Step by Step Solution

1. Step 1: Write the proportion equation
   105,598.73 : 145,730.27 = 60,284.09 : x
2. Step 2: Convert to fraction form
   105,598.73/145,730.27 = 60,284.09/x
3. Step 3: Cross multiply
   105,598.73x = 145,730.27 × 60,284.09
4. Step 4: Simplify right side
   105,598.73x = 8,785,216,712.40
5. Step 5: Solve for x
   x = 8,785,216,712.40/105,598.73
6. Step 6: Final answer
   x = 83,194.34