Finding the Fourth Proportional to 9,799.68, 14,700.56 and 3,561.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.68 : 14,700.56 = 3,561.60 : x
2. Step 2: Convert to fraction form
   9,799.68/14,700.56 = 3,561.60/x
3. Step 3: Cross multiply
   9,799.68x = 14,700.56 × 3,561.60
4. Step 4: Simplify right side
   9,799.68x = 52,357,514.50
5. Step 5: Solve for x
   x = 52,357,514.50/9,799.68
6. Step 6: Final answer
   x = 5,342.78