Finding the Fourth Proportional to 9,407.70, 12,983.04 and 5,631.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407.70 : 12,983.04 = 5,631.48 : x
2. Step 2: Convert to fraction form
   9,407.70/12,983.04 = 5,631.48/x
3. Step 3: Cross multiply
   9,407.70x = 12,983.04 × 5,631.48
4. Step 4: Simplify right side
   9,407.70x = 73,113,730.10
5. Step 5: Solve for x
   x = 73,113,730.10/9,407.70
6. Step 6: Final answer
   x = 7,771.69