Finding the Fourth Proportional to 72,507.38, 108,738.03 and 49,283.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507.38 : 108,738.03 = 49,283.06 : x
2. Step 2: Convert to fraction form
   72,507.38/108,738.03 = 49,283.06/x
3. Step 3: Cross multiply
   72,507.38x = 108,738.03 × 49,283.06
4. Step 4: Simplify right side
   72,507.38x = 5,358,942,856.77
5. Step 5: Solve for x
   x = 5,358,942,856.77/72,507.38
6. Step 6: Final answer
   x = 73,908.93