Finding the Fourth Proportional to 10,949.31, 15,101.98 and 7,547.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.31 : 15,101.98 = 7,547.43 : x
2. Step 2: Convert to fraction form
   10,949.31/15,101.98 = 7,547.43/x
3. Step 3: Cross multiply
   10,949.31x = 15,101.98 × 7,547.43
4. Step 4: Simplify right side
   10,949.31x = 113,981,073.81
5. Step 5: Solve for x
   x = 113,981,073.81/10,949.31
6. Step 6: Final answer
   x = 10,409.88