Finding the Fourth Proportional to 9,799.38, 13,513.93 and 7,557.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.38 : 13,513.93 = 7,557.71 : x
2. Step 2: Convert to fraction form
   9,799.38/13,513.93 = 7,557.71/x
3. Step 3: Cross multiply
   9,799.38x = 13,513.93 × 7,557.71
4. Step 4: Simplify right side
   9,799.38x = 102,134,296.33
5. Step 5: Solve for x
   x = 102,134,296.33/9,799.38
6. Step 6: Final answer
   x = 10,422.53