Finding the Fourth Proportional to 9,586.71, 13,201.05 and 9,368.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,586.71 : 13,201.05 = 9,368.37 : x
2. Step 2: Convert to fraction form
   9,586.71/13,201.05 = 9,368.37/x
3. Step 3: Cross multiply
   9,586.71x = 13,201.05 × 9,368.37
4. Step 4: Simplify right side
   9,586.71x = 123,672,320.79
5. Step 5: Solve for x
   x = 123,672,320.79/9,586.71
6. Step 6: Final answer
   x = 12,900.39