Finding the Fourth Proportional to 9,642.32, 13,306.76 and 5,450.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642.32 : 13,306.76 = 5,450.32 : x
2. Step 2: Convert to fraction form
   9,642.32/13,306.76 = 5,450.32/x
3. Step 3: Cross multiply
   9,642.32x = 13,306.76 × 5,450.32
4. Step 4: Simplify right side
   9,642.32x = 72,526,100.16
5. Step 5: Solve for x
   x = 72,526,100.16/9,642.32
6. Step 6: Final answer
   x = 7,521.64