Finding the Fourth Proportional to 72,006.91, 99,353.62 and 41,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,006.91 : 99,353.62 = 41,774.72 : x
2. Step 2: Convert to fraction form
   72,006.91/99,353.62 = 41,774.72/x
3. Step 3: Cross multiply
   72,006.91x = 99,353.62 × 41,774.72
4. Step 4: Simplify right side
   72,006.91x = 4,150,469,211.94
5. Step 5: Solve for x
   x = 4,150,469,211.94/72,006.91
6. Step 6: Final answer
   x = 57,639.88