Finding the Fourth Proportional to 9,009.55, 12,433.15 and 5,031.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.55 : 12,433.15 = 5,031.60 : x
2. Step 2: Convert to fraction form
   9,009.55/12,433.15 = 5,031.60/x
3. Step 3: Cross multiply
   9,009.55x = 12,433.15 × 5,031.60
4. Step 4: Simplify right side
   9,009.55x = 62,558,690.45
5. Step 5: Solve for x
   x = 62,558,690.45/9,009.55
6. Step 6: Final answer
   x = 6,943.60