Finding the Fourth Proportional to 9,847.98, 13,587.21 and 5,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847.98 : 13,587.21 = 5,598.72 : x
2. Step 2: Convert to fraction form
   9,847.98/13,587.21 = 5,598.72/x
3. Step 3: Cross multiply
   9,847.98x = 13,587.21 × 5,598.72
4. Step 4: Simplify right side
   9,847.98x = 76,070,984.37
5. Step 5: Solve for x
   x = 76,070,984.37/9,847.98
6. Step 6: Final answer
   x = 7,724.53