Finding the Fourth Proportional to 104,550.30, 144,291.78 and 62,109

Step by Step Solution

1. Step 1: Write the proportion equation
   104,550.30 : 144,291.78 = 62,109 : x
2. Step 2: Convert to fraction form
   104,550.30/144,291.78 = 62,109/x
3. Step 3: Cross multiply
   104,550.30x = 144,291.78 × 62,109
4. Step 4: Simplify right side
   104,550.30x = 8,961,818,164.02
5. Step 5: Solve for x
   x = 8,961,818,164.02/104,550.30
6. Step 6: Final answer
   x = 85,717.77