Finding the Fourth Proportional to 9,432.78, 13,017.12 and 5,183.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,432.78 : 13,017.12 = 5,183.82 : x
2. Step 2: Convert to fraction form
   9,432.78/13,017.12 = 5,183.82/x
3. Step 3: Cross multiply
   9,432.78x = 13,017.12 × 5,183.82
4. Step 4: Simplify right side
   9,432.78x = 67,478,407.00
5. Step 5: Solve for x
   x = 67,478,407.00/9,432.78
6. Step 6: Final answer
   x = 7,153.61