Finding the Fourth Proportional to 51,900.02, 71,597.17 and 49,888.18

Step by Step Solution

1. Step 1: Write the proportion equation
   51,900.02 : 71,597.17 = 49,888.18 : x
2. Step 2: Convert to fraction form
   51,900.02/71,597.17 = 49,888.18/x
3. Step 3: Cross multiply
   51,900.02x = 71,597.17 × 49,888.18
4. Step 4: Simplify right side
   51,900.02x = 3,571,852,504.45
5. Step 5: Solve for x
   x = 3,571,852,504.45/51,900.02
6. Step 6: Final answer
   x = 68,821.79