Finding the Fourth Proportional to 10,491.83, 14,479.05 and 5,712.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,491.83 : 14,479.05 = 5,712.09 : x
2. Step 2: Convert to fraction form
   10,491.83/14,479.05 = 5,712.09/x
3. Step 3: Cross multiply
   10,491.83x = 14,479.05 × 5,712.09
4. Step 4: Simplify right side
   10,491.83x = 82,705,615.29
5. Step 5: Solve for x
   x = 82,705,615.29/10,491.83
6. Step 6: Final answer
   x = 7,882.86