Finding the Fourth Proportional to 71,250.72, 106,832.86 and 49,039.70

Step by Step Solution

1. Step 1: Write the proportion equation
   71,250.72 : 106,832.86 = 49,039.70 : x
2. Step 2: Convert to fraction form
   71,250.72/106,832.86 = 49,039.70/x
3. Step 3: Cross multiply
   71,250.72x = 106,832.86 × 49,039.70
4. Step 4: Simplify right side
   71,250.72x = 5,239,051,404.54
5. Step 5: Solve for x
   x = 5,239,051,404.54/71,250.72
6. Step 6: Final answer
   x = 73,529.80