Finding the Fourth Proportional to 10,973.18, 15,139.52 and 6,719.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,973.18 : 15,139.52 = 6,719.82 : x
2. Step 2: Convert to fraction form
   10,973.18/15,139.52 = 6,719.82/x
3. Step 3: Cross multiply
   10,973.18x = 15,139.52 × 6,719.82
4. Step 4: Simplify right side
   10,973.18x = 101,734,849.29
5. Step 5: Solve for x
   x = 101,734,849.29/10,973.18
6. Step 6: Final answer
   x = 9,271.23