Finding the Fourth Proportional to 9,458.95, 14,187.27 and 3,911.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,458.95 : 14,187.27 = 3,911.57 : x
2. Step 2: Convert to fraction form
   9,458.95/14,187.27 = 3,911.57/x
3. Step 3: Cross multiply
   9,458.95x = 14,187.27 × 3,911.57
4. Step 4: Simplify right side
   9,458.95x = 55,494,499.71
5. Step 5: Solve for x
   x = 55,494,499.71/9,458.95
6. Step 6: Final answer
   x = 5,866.88