Finding the Fourth Proportional to 9,699.58, 13,385.39 and 5,450.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,699.58 : 13,385.39 = 5,450.76 : x
2. Step 2: Convert to fraction form
   9,699.58/13,385.39 = 5,450.76/x
3. Step 3: Cross multiply
   9,699.58x = 13,385.39 × 5,450.76
4. Step 4: Simplify right side
   9,699.58x = 72,960,521.14
5. Step 5: Solve for x
   x = 72,960,521.14/9,699.58
6. Step 6: Final answer
   x = 7,522.03