Finding the Fourth Proportional to 9,212.16, 12,710.40 and 5,483.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,212.16 : 12,710.40 = 5,483.52 : x
2. Step 2: Convert to fraction form
   9,212.16/12,710.40 = 5,483.52/x
3. Step 3: Cross multiply
   9,212.16x = 12,710.40 × 5,483.52
4. Step 4: Simplify right side
   9,212.16x = 69,697,732.61
5. Step 5: Solve for x
   x = 69,697,732.61/9,212.16
6. Step 6: Final answer
   x = 7,565.84