Finding the Fourth Proportional to 72,401.99, 108,603.05 and 41,171.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,401.99 : 108,603.05 = 41,171.63 : x
2. Step 2: Convert to fraction form
   72,401.99/108,603.05 = 41,171.63/x
3. Step 3: Cross multiply
   72,401.99x = 108,603.05 × 41,171.63
4. Step 4: Simplify right side
   72,401.99x = 4,471,363,842.60
5. Step 5: Solve for x
   x = 4,471,363,842.60/72,401.99
6. Step 6: Final answer
   x = 61,757.48