Finding the Fourth Proportional to 105,063.50, 144,987.63 and 67,337.75

Step by Step Solution

1. Step 1: Write the proportion equation
   105,063.50 : 144,987.63 = 67,337.75 : x
2. Step 2: Convert to fraction form
   105,063.50/144,987.63 = 67,337.75/x
3. Step 3: Cross multiply
   105,063.50x = 144,987.63 × 67,337.75
4. Step 4: Simplify right side
   105,063.50x = 9,763,140,782.03
5. Step 5: Solve for x
   x = 9,763,140,782.03/105,063.50
6. Step 6: Final answer
   x = 92,926.10