Finding the Fourth Proportional to 72,314.52, 108,431.17 and 49,544.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,314.52 : 108,431.17 = 49,544.07 : x
2. Step 2: Convert to fraction form
   72,314.52/108,431.17 = 49,544.07/x
3. Step 3: Cross multiply
   72,314.52x = 108,431.17 × 49,544.07
4. Step 4: Simplify right side
   72,314.52x = 5,372,121,834.80
5. Step 5: Solve for x
   x = 5,372,121,834.80/72,314.52
6. Step 6: Final answer
   x = 74,288.29