Finding the Fourth Proportional to 105,032.93, 144,961.59 and 62,016.99

Step by Step Solution

1. Step 1: Write the proportion equation
   105,032.93 : 144,961.59 = 62,016.99 : x
2. Step 2: Convert to fraction form
   105,032.93/144,961.59 = 62,016.99/x
3. Step 3: Cross multiply
   105,032.93x = 144,961.59 × 62,016.99
4. Step 4: Simplify right side
   105,032.93x = 8,990,081,477.41
5. Step 5: Solve for x
   x = 8,990,081,477.41/105,032.93
6. Step 6: Final answer
   x = 85,592.98