Finding the Fourth Proportional to 9,774.23, 13,488.27 and 5,525.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,774.23 : 13,488.27 = 5,525.30 : x
2. Step 2: Convert to fraction form
   9,774.23/13,488.27 = 5,525.30/x
3. Step 3: Cross multiply
   9,774.23x = 13,488.27 × 5,525.30
4. Step 4: Simplify right side
   9,774.23x = 74,526,670.79
5. Step 5: Solve for x
   x = 74,526,670.79/9,774.23
6. Step 6: Final answer
   x = 7,624.82