Finding the Fourth Proportional to 9,797.31, 13,522.64 and 5,607.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,797.31 : 13,522.64 = 5,607.99 : x
2. Step 2: Convert to fraction form
   9,797.31/13,522.64 = 5,607.99/x
3. Step 3: Cross multiply
   9,797.31x = 13,522.64 × 5,607.99
4. Step 4: Simplify right side
   9,797.31x = 75,834,829.89
5. Step 5: Solve for x
   x = 75,834,829.89/9,797.31
6. Step 6: Final answer
   x = 7,740.37