Finding the Fourth Proportional to 9,419.94, 14,118.17 and 3,870.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.94 : 14,118.17 = 3,870.23 : x
2. Step 2: Convert to fraction form
   9,419.94/14,118.17 = 3,870.23/x
3. Step 3: Cross multiply
   9,419.94x = 14,118.17 × 3,870.23
4. Step 4: Simplify right side
   9,419.94x = 54,640,475.14
5. Step 5: Solve for x
   x = 54,640,475.14/9,419.94
6. Step 6: Final answer
   x = 5,800.51