Finding the Fourth Proportional to 12,749.37, 17,594.20 and 7,160.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,749.37 : 17,594.20 = 7,160.37 : x
2. Step 2: Convert to fraction form
   12,749.37/17,594.20 = 7,160.37/x
3. Step 3: Cross multiply
   12,749.37x = 17,594.20 × 7,160.37
4. Step 4: Simplify right side
   12,749.37x = 125,980,981.85
5. Step 5: Solve for x
   x = 125,980,981.85/12,749.37
6. Step 6: Final answer
   x = 9,881.35