Finding the Fourth Proportional to 7,127.49, 9,836.88 and 5,356.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,127.49 : 9,836.88 = 5,356.02 : x
2. Step 2: Convert to fraction form
   7,127.49/9,836.88 = 5,356.02/x
3. Step 3: Cross multiply
   7,127.49x = 9,836.88 × 5,356.02
4. Step 4: Simplify right side
   7,127.49x = 52,686,526.02
5. Step 5: Solve for x
   x = 52,686,526.02/7,127.49
6. Step 6: Final answer
   x = 7,392.02