Finding the Fourth Proportional to 72,696.45, 108,869.71 and 49,251.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,696.45 : 108,869.71 = 49,251.81 : x
2. Step 2: Convert to fraction form
   72,696.45/108,869.71 = 49,251.81/x
3. Step 3: Cross multiply
   72,696.45x = 108,869.71 × 49,251.81
4. Step 4: Simplify right side
   72,696.45x = 5,362,030,271.68
5. Step 5: Solve for x
   x = 5,362,030,271.68/72,696.45
6. Step 6: Final answer
   x = 73,759.18