Finding the Fourth Proportional to 10,895.33, 15,030.56 and 7,117.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,895.33 : 15,030.56 = 7,117.49 : x
2. Step 2: Convert to fraction form
   10,895.33/15,030.56 = 7,117.49/x
3. Step 3: Cross multiply
   10,895.33x = 15,030.56 × 7,117.49
4. Step 4: Simplify right side
   10,895.33x = 106,979,749.75
5. Step 5: Solve for x
   x = 106,979,749.75/10,895.33
6. Step 6: Final answer
   x = 9,818.87