Finding the Fourth Proportional to 74,131.54, 111,196.31 and 17,972.14

Step by Step Solution

1. Step 1: Write the proportion equation
   74,131.54 : 111,196.31 = 17,972.14 : x
2. Step 2: Convert to fraction form
   74,131.54/111,196.31 = 17,972.14/x
3. Step 3: Cross multiply
   74,131.54x = 111,196.31 × 17,972.14
4. Step 4: Simplify right side
   74,131.54x = 1,998,435,650.80
5. Step 5: Solve for x
   x = 1,998,435,650.80/74,131.54
6. Step 6: Final answer
   x = 26,957.97