Finding the Fourth Proportional to 144,681.57, 199,447.59 and 101,524.77

Step by Step Solution

1. Step 1: Write the proportion equation
   144,681.57 : 199,447.59 = 101,524.77 : x
2. Step 2: Convert to fraction form
   144,681.57/199,447.59 = 101,524.77/x
3. Step 3: Cross multiply
   144,681.57x = 199,447.59 × 101,524.77
4. Step 4: Simplify right side
   144,681.57x = 20,248,870,701.80
5. Step 5: Solve for x
   x = 20,248,870,701.80/144,681.57
6. Step 6: Final answer
   x = 139,954.73