Finding the Fourth Proportional to 10,381.77, 14,326.38 and 5,905.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,381.77 : 14,326.38 = 5,905.89 : x
2. Step 2: Convert to fraction form
   10,381.77/14,326.38 = 5,905.89/x
3. Step 3: Cross multiply
   10,381.77x = 14,326.38 × 5,905.89
4. Step 4: Simplify right side
   10,381.77x = 84,610,024.38
5. Step 5: Solve for x
   x = 84,610,024.38/10,381.77
6. Step 6: Final answer
   x = 8,149.87