Finding the Fourth Proportional to 19,083.33, 28,615.91 and 7,071.57

Step by Step Solution

1. Step 1: Write the proportion equation
   19,083.33 : 28,615.91 = 7,071.57 : x
2. Step 2: Convert to fraction form
   19,083.33/28,615.91 = 7,071.57/x
3. Step 3: Cross multiply
   19,083.33x = 28,615.91 × 7,071.57
4. Step 4: Simplify right side
   19,083.33x = 202,359,375.32
5. Step 5: Solve for x
   x = 202,359,375.32/19,083.33
6. Step 6: Final answer
   x = 10,603.99