Finding the Fourth Proportional to 9,281.78, 12,808.88 and 5,506.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,281.78 : 12,808.88 = 5,506.82 : x
2. Step 2: Convert to fraction form
   9,281.78/12,808.88 = 5,506.82/x
3. Step 3: Cross multiply
   9,281.78x = 12,808.88 × 5,506.82
4. Step 4: Simplify right side
   9,281.78x = 70,536,196.56
5. Step 5: Solve for x
   x = 70,536,196.56/9,281.78
6. Step 6: Final answer
   x = 7,599.43