Finding the Fourth Proportional to 72,574.76, 108,860.52 and 19,983.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72,574.76 : 108,860.52 = 19,983.08 : x
2. Step 2: Convert to fraction form
   72,574.76/108,860.52 = 19,983.08/x
3. Step 3: Cross multiply
   72,574.76x = 108,860.52 × 19,983.08
4. Step 4: Simplify right side
   72,574.76x = 2,175,368,480.00
5. Step 5: Solve for x
   x = 2,175,368,480.00/72,574.76
6. Step 6: Final answer
   x = 29,974.17