Finding the Fourth Proportional to 9,799.10, 13,522.21 and 5,765.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.10 : 13,522.21 = 5,765.30 : x
2. Step 2: Convert to fraction form
   9,799.10/13,522.21 = 5,765.30/x
3. Step 3: Cross multiply
   9,799.10x = 13,522.21 × 5,765.30
4. Step 4: Simplify right side
   9,799.10x = 77,959,597.31
5. Step 5: Solve for x
   x = 77,959,597.31/9,799.10
6. Step 6: Final answer
   x = 7,955.79