Finding the Fourth Proportional to 104,408.30, 144,082.72 and 56,662.04

Step by Step Solution

1. Step 1: Write the proportion equation
   104,408.30 : 144,082.72 = 56,662.04 : x
2. Step 2: Convert to fraction form
   104,408.30/144,082.72 = 56,662.04/x
3. Step 3: Cross multiply
   104,408.30x = 144,082.72 × 56,662.04
4. Step 4: Simplify right side
   104,408.30x = 8,164,020,843.95
5. Step 5: Solve for x
   x = 8,164,020,843.95/104,408.30
6. Step 6: Final answer
   x = 78,193.22