Finding the Fourth Proportional to 9,133.08, 12,606.06 and 5,356.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.08 : 12,606.06 = 5,356.80 : x
2. Step 2: Convert to fraction form
   9,133.08/12,606.06 = 5,356.80/x
3. Step 3: Cross multiply
   9,133.08x = 12,606.06 × 5,356.80
4. Step 4: Simplify right side
   9,133.08x = 67,528,142.21
5. Step 5: Solve for x
   x = 67,528,142.21/9,133.08
6. Step 6: Final answer
   x = 7,393.80