Finding the Fourth Proportional to 10,800.81, 14,904.23 and 6,086.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800.81 : 14,904.23 = 6,086.25 : x
2. Step 2: Convert to fraction form
   10,800.81/14,904.23 = 6,086.25/x
3. Step 3: Cross multiply
   10,800.81x = 14,904.23 × 6,086.25
4. Step 4: Simplify right side
   10,800.81x = 90,710,839.41
5. Step 5: Solve for x
   x = 90,710,839.41/10,800.81
6. Step 6: Final answer
   x = 8,398.52