Finding the Fourth Proportional to 12,756.87, 17,598.79 and 7,449.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,756.87 : 17,598.79 = 7,449.34 : x
2. Step 2: Convert to fraction form
   12,756.87/17,598.79 = 7,449.34/x
3. Step 3: Cross multiply
   12,756.87x = 17,598.79 × 7,449.34
4. Step 4: Simplify right side
   12,756.87x = 131,099,370.30
5. Step 5: Solve for x
   x = 131,099,370.30/12,756.87
6. Step 6: Final answer
   x = 10,276.77