Finding the Fourth Proportional to 9,846.86, 13,591.47 and 5,600.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846.86 : 13,591.47 = 5,600.21 : x
2. Step 2: Convert to fraction form
   9,846.86/13,591.47 = 5,600.21/x
3. Step 3: Cross multiply
   9,846.86x = 13,591.47 × 5,600.21
4. Step 4: Simplify right side
   9,846.86x = 76,115,018.25
5. Step 5: Solve for x
   x = 76,115,018.25/9,846.86
6. Step 6: Final answer
   x = 7,729.88