Finding the Fourth Proportional to 7,287.01, 10,934.72 and 3,391.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,287.01 : 10,934.72 = 3,391.40 : x
2. Step 2: Convert to fraction form
   7,287.01/10,934.72 = 3,391.40/x
3. Step 3: Cross multiply
   7,287.01x = 10,934.72 × 3,391.40
4. Step 4: Simplify right side
   7,287.01x = 37,084,009.41
5. Step 5: Solve for x
   x = 37,084,009.41/7,287.01
6. Step 6: Final answer
   x = 5,089.06