Finding the Fourth Proportional to 9,402.29, 14,105.22 and 3,780.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.29 : 14,105.22 = 3,780.39 : x
2. Step 2: Convert to fraction form
   9,402.29/14,105.22 = 3,780.39/x
3. Step 3: Cross multiply
   9,402.29x = 14,105.22 × 3,780.39
4. Step 4: Simplify right side
   9,402.29x = 53,323,271.35
5. Step 5: Solve for x
   x = 53,323,271.35/9,402.29
6. Step 6: Final answer
   x = 5,671.31