Finding the Fourth Proportional to 38,091.09, 57,116.25 and 19,359.57

Step by Step Solution

1. Step 1: Write the proportion equation
   38,091.09 : 57,116.25 = 19,359.57 : x
2. Step 2: Convert to fraction form
   38,091.09/57,116.25 = 19,359.57/x
3. Step 3: Cross multiply
   38,091.09x = 57,116.25 × 19,359.57
4. Step 4: Simplify right side
   38,091.09x = 1,105,746,040.01
5. Step 5: Solve for x
   x = 1,105,746,040.01/38,091.09
6. Step 6: Final answer
   x = 29,028.99