Finding the Fourth Proportional to 9,477.16, 13,077.18 and 5,284.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.16 : 13,077.18 = 5,284.60 : x
2. Step 2: Convert to fraction form
   9,477.16/13,077.18 = 5,284.60/x
3. Step 3: Cross multiply
   9,477.16x = 13,077.18 × 5,284.60
4. Step 4: Simplify right side
   9,477.16x = 69,107,665.43
5. Step 5: Solve for x
   x = 69,107,665.43/9,477.16
6. Step 6: Final answer
   x = 7,292.02