Finding the Fourth Proportional to 10,166.30, 15,253.84 and 3,930.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,166.30 : 15,253.84 = 3,930.71 : x
2. Step 2: Convert to fraction form
   10,166.30/15,253.84 = 3,930.71/x
3. Step 3: Cross multiply
   10,166.30x = 15,253.84 × 3,930.71
4. Step 4: Simplify right side
   10,166.30x = 59,958,354.05
5. Step 5: Solve for x
   x = 59,958,354.05/10,166.30
6. Step 6: Final answer
   x = 5,897.75