Finding the Fourth Proportional to 72,482.66, 108,582.42 and 49,940.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,482.66 : 108,582.42 = 49,940.18 : x
2. Step 2: Convert to fraction form
   72,482.66/108,582.42 = 49,940.18/x
3. Step 3: Cross multiply
   72,482.66x = 108,582.42 × 49,940.18
4. Step 4: Simplify right side
   72,482.66x = 5,422,625,599.64
5. Step 5: Solve for x
   x = 5,422,625,599.64/72,482.66
6. Step 6: Final answer
   x = 74,812.73