Finding the Fourth Proportional to 9,016.60, 12,446.74 and 5,480.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.60 : 12,446.74 = 5,480.94 : x
2. Step 2: Convert to fraction form
   9,016.60/12,446.74 = 5,480.94/x
3. Step 3: Cross multiply
   9,016.60x = 12,446.74 × 5,480.94
4. Step 4: Simplify right side
   9,016.60x = 68,219,835.14
5. Step 5: Solve for x
   x = 68,219,835.14/9,016.60
6. Step 6: Final answer
   x = 7,566.03