Finding the Fourth Proportional to 103,944.35, 143,443.17 and 56,197.69

Step by Step Solution

1. Step 1: Write the proportion equation
   103,944.35 : 143,443.17 = 56,197.69 : x
2. Step 2: Convert to fraction form
   103,944.35/143,443.17 = 56,197.69/x
3. Step 3: Cross multiply
   103,944.35x = 143,443.17 × 56,197.69
4. Step 4: Simplify right side
   103,944.35x = 8,061,174,441.67
5. Step 5: Solve for x
   x = 8,061,174,441.67/103,944.35
6. Step 6: Final answer
   x = 77,552.79