Finding the Fourth Proportional to 10,358.42, 14,201.69 and 10,171.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,358.42 : 14,201.69 = 10,171.76 : x
2. Step 2: Convert to fraction form
   10,358.42/14,201.69 = 10,171.76/x
3. Step 3: Cross multiply
   10,358.42x = 14,201.69 × 10,171.76
4. Step 4: Simplify right side
   10,358.42x = 144,456,060.41
5. Step 5: Solve for x
   x = 144,456,060.41/10,358.42
6. Step 6: Final answer
   x = 13,945.77