Finding the Fourth Proportional to 9,798.50, 13,512.72 and 7,556.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.50 : 13,512.72 = 7,556.83 : x
2. Step 2: Convert to fraction form
   9,798.50/13,512.72 = 7,556.83/x
3. Step 3: Cross multiply
   9,798.50x = 13,512.72 × 7,556.83
4. Step 4: Simplify right side
   9,798.50x = 102,113,322.43
5. Step 5: Solve for x
   x = 102,113,322.43/9,798.50
6. Step 6: Final answer
   x = 10,421.32