Finding the Fourth Proportional to 104,183.49, 143,773.59 and 56,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,183.49 : 143,773.59 = 56,436.72 : x
2. Step 2: Convert to fraction form
   104,183.49/143,773.59 = 56,436.72/x
3. Step 3: Cross multiply
   104,183.49x = 143,773.59 × 56,436.72
4. Step 4: Simplify right side
   104,183.49x = 8,114,110,053.86
5. Step 5: Solve for x
   x = 8,114,110,053.86/104,183.49
6. Step 6: Final answer
   x = 77,882.88