Finding the Fourth Proportional to 9,411.98, 14,119.31 and 3,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.98 : 14,119.31 = 3,085.50 : x
2. Step 2: Convert to fraction form
   9,411.98/14,119.31 = 3,085.50/x
3. Step 3: Cross multiply
   9,411.98x = 14,119.31 × 3,085.50
4. Step 4: Simplify right side
   9,411.98x = 43,565,115.58
5. Step 5: Solve for x
   x = 43,565,115.58/9,411.98
6. Step 6: Final answer
   x = 4,628.69