Finding the Fourth Proportional to 9,133.83, 12,601.71 and 5,355.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.83 : 12,601.71 = 5,355.77 : x
2. Step 2: Convert to fraction form
   9,133.83/12,601.71 = 5,355.77/x
3. Step 3: Cross multiply
   9,133.83x = 12,601.71 × 5,355.77
4. Step 4: Simplify right side
   9,133.83x = 67,491,797.36
5. Step 5: Solve for x
   x = 67,491,797.36/9,133.83
6. Step 6: Final answer
   x = 7,389.21