Finding the Fourth Proportional to 10,488.76, 14,483.82 and 7,831.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.76 : 14,483.82 = 7,831.60 : x
2. Step 2: Convert to fraction form
   10,488.76/14,483.82 = 7,831.60/x
3. Step 3: Cross multiply
   10,488.76x = 14,483.82 × 7,831.60
4. Step 4: Simplify right side
   10,488.76x = 113,431,484.71
5. Step 5: Solve for x
   x = 113,431,484.71/10,488.76
6. Step 6: Final answer
   x = 10,814.58