Finding the Fourth Proportional to 105,582.03, 145,705.56 and 60,259.11

Step by Step Solution

1. Step 1: Write the proportion equation
   105,582.03 : 145,705.56 = 60,259.11 : x
2. Step 2: Convert to fraction form
   105,582.03/145,705.56 = 60,259.11/x
3. Step 3: Cross multiply
   105,582.03x = 145,705.56 × 60,259.11
4. Step 4: Simplify right side
   105,582.03x = 8,780,086,337.83
5. Step 5: Solve for x
   x = 8,780,086,337.83/105,582.03
6. Step 6: Final answer
   x = 83,158.91