Finding the Fourth Proportional to 9,419.75, 14,131.78 and 4,156.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.75 : 14,131.78 = 4,156.25 : x
2. Step 2: Convert to fraction form
   9,419.75/14,131.78 = 4,156.25/x
3. Step 3: Cross multiply
   9,419.75x = 14,131.78 × 4,156.25
4. Step 4: Simplify right side
   9,419.75x = 58,735,210.63
5. Step 5: Solve for x
   x = 58,735,210.63/9,419.75
6. Step 6: Final answer
   x = 6,235.33