Finding the Fourth Proportional to 13,114.58, 18,097.55 and 7,449.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,114.58 : 18,097.55 = 7,449.31 : x
2. Step 2: Convert to fraction form
   13,114.58/18,097.55 = 7,449.31/x
3. Step 3: Cross multiply
   13,114.58x = 18,097.55 × 7,449.31
4. Step 4: Simplify right side
   13,114.58x = 134,814,278.81
5. Step 5: Solve for x
   x = 134,814,278.81/13,114.58
6. Step 6: Final answer
   x = 10,279.73