Finding the Fourth Proportional to 9,775.98, 13,487.58 and 5,526.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,775.98 : 13,487.58 = 5,526.48 : x
2. Step 2: Convert to fraction form
   9,775.98/13,487.58 = 5,526.48/x
3. Step 3: Cross multiply
   9,775.98x = 13,487.58 × 5,526.48
4. Step 4: Simplify right side
   9,775.98x = 74,538,841.12
5. Step 5: Solve for x
   x = 74,538,841.12/9,775.98
6. Step 6: Final answer
   x = 7,624.69