Finding the Fourth Proportional to 51,762.94, 71,477.67 and 49,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,762.94 : 71,477.67 = 49,105.72 : x
2. Step 2: Convert to fraction form
   51,762.94/71,477.67 = 49,105.72/x
3. Step 3: Cross multiply
   51,762.94x = 71,477.67 × 49,105.72
4. Step 4: Simplify right side
   51,762.94x = 3,509,962,449.27
5. Step 5: Solve for x
   x = 3,509,962,449.27/51,762.94
6. Step 6: Final answer
   x = 67,808.41