Finding the Fourth Proportional to 10,426.42, 14,381.54 and 7,443.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.42 : 14,381.54 = 7,443.94 : x
2. Step 2: Convert to fraction form
   10,426.42/14,381.54 = 7,443.94/x
3. Step 3: Cross multiply
   10,426.42x = 14,381.54 × 7,443.94
4. Step 4: Simplify right side
   10,426.42x = 107,055,320.87
5. Step 5: Solve for x
   x = 107,055,320.87/10,426.42
6. Step 6: Final answer
   x = 10,267.70