Finding the Fourth Proportional to 9,294.41, 12,827.30 and 5,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,294.41 : 12,827.30 = 5,518.50 : x
2. Step 2: Convert to fraction form
   9,294.41/12,827.30 = 5,518.50/x
3. Step 3: Cross multiply
   9,294.41x = 12,827.30 × 5,518.50
4. Step 4: Simplify right side
   9,294.41x = 70,787,427.46
5. Step 5: Solve for x
   x = 70,787,427.46/9,294.41
6. Step 6: Final answer
   x = 7,616.13