Finding the Fourth Proportional to 9,697.06, 13,381.90 and 5,447.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,697.06 : 13,381.90 = 5,447.54 : x
2. Step 2: Convert to fraction form
   9,697.06/13,381.90 = 5,447.54/x
3. Step 3: Cross multiply
   9,697.06x = 13,381.90 × 5,447.54
4. Step 4: Simplify right side
   9,697.06x = 72,898,435.53
5. Step 5: Solve for x
   x = 72,898,435.53/9,697.06
6. Step 6: Final answer
   x = 7,517.58