Finding the Fourth Proportional to 9,798.94, 13,513.33 and 7,557.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.94 : 13,513.33 = 7,557.27 : x
2. Step 2: Convert to fraction form
   9,798.94/13,513.33 = 7,557.27/x
3. Step 3: Cross multiply
   9,798.94x = 13,513.33 × 7,557.27
4. Step 4: Simplify right side
   9,798.94x = 102,123,883.41
5. Step 5: Solve for x
   x = 102,123,883.41/9,798.94
6. Step 6: Final answer
   x = 10,421.93