Finding the Fourth Proportional to 9,477.17, 13,078.01 and 5,284.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.17 : 13,078.01 = 5,284.61 : x
2. Step 2: Convert to fraction form
   9,477.17/13,078.01 = 5,284.61/x
3. Step 3: Cross multiply
   9,477.17x = 13,078.01 × 5,284.61
4. Step 4: Simplify right side
   9,477.17x = 69,112,182.43
5. Step 5: Solve for x
   x = 69,112,182.43/9,477.17
6. Step 6: Final answer
   x = 7,292.49