Finding the Fourth Proportional to 105,013.53, 144,922.50 and 59,699.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,013.53 : 144,922.50 = 59,699.16 : x
2. Step 2: Convert to fraction form
   105,013.53/144,922.50 = 59,699.16/x
3. Step 3: Cross multiply
   105,013.53x = 144,922.50 × 59,699.16
4. Step 4: Simplify right side
   105,013.53x = 8,651,751,515.10
5. Step 5: Solve for x
   x = 8,651,751,515.10/105,013.53
6. Step 6: Final answer
   x = 82,387.02