Finding the Fourth Proportional to 7,081.88, 10,623.42 and 3,387.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,081.88 : 10,623.42 = 3,387.06 : x
2. Step 2: Convert to fraction form
   7,081.88/10,623.42 = 3,387.06/x
3. Step 3: Cross multiply
   7,081.88x = 10,623.42 × 3,387.06
4. Step 4: Simplify right side
   7,081.88x = 35,982,160.95
5. Step 5: Solve for x
   x = 35,982,160.95/7,081.88
6. Step 6: Final answer
   x = 5,080.88