Finding the Fourth Proportional to 10,491.29, 15,746.65 and 5,300.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,491.29 : 15,746.65 = 5,300.81 : x
2. Step 2: Convert to fraction form
   10,491.29/15,746.65 = 5,300.81/x
3. Step 3: Cross multiply
   10,491.29x = 15,746.65 × 5,300.81
4. Step 4: Simplify right side
   10,491.29x = 83,469,907.80
5. Step 5: Solve for x
   x = 83,469,907.80/10,491.29
6. Step 6: Final answer
   x = 7,956.12