Finding the Fourth Proportional to 105,066.18, 144,990.64 and 59,744.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105,066.18 : 144,990.64 = 59,744.17 : x
2. Step 2: Convert to fraction form
   105,066.18/144,990.64 = 59,744.17/x
3. Step 3: Cross multiply
   105,066.18x = 144,990.64 × 59,744.17
4. Step 4: Simplify right side
   105,066.18x = 8,662,345,444.57
5. Step 5: Solve for x
   x = 8,662,345,444.57/105,066.18
6. Step 6: Final answer
   x = 82,446.56