Finding the Fourth Proportional to 10,381.71, 14,326.76 and 7,402.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,381.71 : 14,326.76 = 7,402.73 : x
2. Step 2: Convert to fraction form
   10,381.71/14,326.76 = 7,402.73/x
3. Step 3: Cross multiply
   10,381.71x = 14,326.76 × 7,402.73
4. Step 4: Simplify right side
   10,381.71x = 106,057,136.05
5. Step 5: Solve for x
   x = 106,057,136.05/10,381.71
6. Step 6: Final answer
   x = 10,215.77