Finding the Fourth Proportional to 13,097.70, 18,080.42 and 7,793.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,097.70 : 18,080.42 = 7,793.01 : x
2. Step 2: Convert to fraction form
   13,097.70/18,080.42 = 7,793.01/x
3. Step 3: Cross multiply
   13,097.70x = 18,080.42 × 7,793.01
4. Step 4: Simplify right side
   13,097.70x = 140,900,854.90
5. Step 5: Solve for x
   x = 140,900,854.90/13,097.70
6. Step 6: Final answer
   x = 10,757.68