Finding the Fourth Proportional to 10,895.30, 15,031.82 and 6,918.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,895.30 : 15,031.82 = 6,918.71 : x
2. Step 2: Convert to fraction form
   10,895.30/15,031.82 = 6,918.71/x
3. Step 3: Cross multiply
   10,895.30x = 15,031.82 × 6,918.71
4. Step 4: Simplify right side
   10,895.30x = 104,000,693.60
5. Step 5: Solve for x
   x = 104,000,693.60/10,895.30
6. Step 6: Final answer
   x = 9,545.46