Finding the Fourth Proportional to 9,419.74, 14,134.47 and 3,877.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.74 : 14,134.47 = 3,877.18 : x
2. Step 2: Convert to fraction form
   9,419.74/14,134.47 = 3,877.18/x
3. Step 3: Cross multiply
   9,419.74x = 14,134.47 × 3,877.18
4. Step 4: Simplify right side
   9,419.74x = 54,801,884.39
5. Step 5: Solve for x
   x = 54,801,884.39/9,419.74
6. Step 6: Final answer
   x = 5,817.77