Finding the Fourth Proportional to 9,935.40, 14,898.27 and 5,776.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,935.40 : 14,898.27 = 5,776.60 : x
2. Step 2: Convert to fraction form
   9,935.40/14,898.27 = 5,776.60/x
3. Step 3: Cross multiply
   9,935.40x = 14,898.27 × 5,776.60
4. Step 4: Simplify right side
   9,935.40x = 86,061,346.48
5. Step 5: Solve for x
   x = 86,061,346.48/9,935.40
6. Step 6: Final answer
   x = 8,662.09