Finding the Fourth Proportional to 9,799.63, 13,523.48 and 5,607.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.63 : 13,523.48 = 5,607.88 : x
2. Step 2: Convert to fraction form
   9,799.63/13,523.48 = 5,607.88/x
3. Step 3: Cross multiply
   9,799.63x = 13,523.48 × 5,607.88
4. Step 4: Simplify right side
   9,799.63x = 75,838,053.02
5. Step 5: Solve for x
   x = 75,838,053.02/9,799.63
6. Step 6: Final answer
   x = 7,738.87