Finding the Fourth Proportional to 67,789.50, 101,719.71 and 49,222.91

Step by Step Solution

1. Step 1: Write the proportion equation
   67,789.50 : 101,719.71 = 49,222.91 : x
2. Step 2: Convert to fraction form
   67,789.50/101,719.71 = 49,222.91/x
3. Step 3: Cross multiply
   67,789.50x = 101,719.71 × 49,222.91
4. Step 4: Simplify right side
   67,789.50x = 5,006,939,621.96
5. Step 5: Solve for x
   x = 5,006,939,621.96/67,789.50
6. Step 6: Final answer
   x = 73,860.11