Finding the Fourth Proportional to 9,426.34, 13,009.94 and 5,449.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.34 : 13,009.94 = 5,449.74 : x
2. Step 2: Convert to fraction form
   9,426.34/13,009.94 = 5,449.74/x
3. Step 3: Cross multiply
   9,426.34x = 13,009.94 × 5,449.74
4. Step 4: Simplify right side
   9,426.34x = 70,900,790.42
5. Step 5: Solve for x
   x = 70,900,790.42/9,426.34
6. Step 6: Final answer
   x = 7,521.56