Finding the Fourth Proportional to 10,643.71, 14,688.78 and 5,927.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,643.71 : 14,688.78 = 5,927.99 : x
2. Step 2: Convert to fraction form
   10,643.71/14,688.78 = 5,927.99/x
3. Step 3: Cross multiply
   10,643.71x = 14,688.78 × 5,927.99
4. Step 4: Simplify right side
   10,643.71x = 87,074,962.85
5. Step 5: Solve for x
   x = 87,074,962.85/10,643.71
6. Step 6: Final answer
   x = 8,180.88