Finding the Fourth Proportional to 9,914.99, 14,867.78 and 5,756.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,914.99 : 14,867.78 = 5,756.27 : x
2. Step 2: Convert to fraction form
   9,914.99/14,867.78 = 5,756.27/x
3. Step 3: Cross multiply
   9,914.99x = 14,867.78 × 5,756.27
4. Step 4: Simplify right side
   9,914.99x = 85,582,955.98
5. Step 5: Solve for x
   x = 85,582,955.98/9,914.99
6. Step 6: Final answer
   x = 8,631.67