Finding the Fourth Proportional to 71,828.66, 99,123.55 and 41,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,828.66 : 99,123.55 = 41,631.50 : x
2. Step 2: Convert to fraction form
   71,828.66/99,123.55 = 41,631.50/x
3. Step 3: Cross multiply
   71,828.66x = 99,123.55 × 41,631.50
4. Step 4: Simplify right side
   71,828.66x = 4,126,661,711.88
5. Step 5: Solve for x
   x = 4,126,661,711.88/71,828.66
6. Step 6: Final answer
   x = 57,451.46