Finding the Fourth Proportional to 104,443.15, 144,131.73 and 56,696.53

Step by Step Solution

1. Step 1: Write the proportion equation
   104,443.15 : 144,131.73 = 56,696.53 : x
2. Step 2: Convert to fraction form
   104,443.15/144,131.73 = 56,696.53/x
3. Step 3: Cross multiply
   104,443.15x = 144,131.73 × 56,696.53
4. Step 4: Simplify right side
   104,443.15x = 8,171,768,451.83
5. Step 5: Solve for x
   x = 8,171,768,451.83/104,443.15
6. Step 6: Final answer
   x = 78,241.31