Finding the Fourth Proportional to 104,298.81, 143,932.37 and 56,552.15

Step by Step Solution

1. Step 1: Write the proportion equation
   104,298.81 : 143,932.37 = 56,552.15 : x
2. Step 2: Convert to fraction form
   104,298.81/143,932.37 = 56,552.15/x
3. Step 3: Cross multiply
   104,298.81x = 143,932.37 × 56,552.15
4. Step 4: Simplify right side
   104,298.81x = 8,139,684,978.10
5. Step 5: Solve for x
   x = 8,139,684,978.10/104,298.81
6. Step 6: Final answer
   x = 78,041.97