Finding the Fourth Proportional to 9,478.14, 14,211.12 and 3,935.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,478.14 : 14,211.12 = 3,935.31 : x
2. Step 2: Convert to fraction form
   9,478.14/14,211.12 = 3,935.31/x
3. Step 3: Cross multiply
   9,478.14x = 14,211.12 × 3,935.31
4. Step 4: Simplify right side
   9,478.14x = 55,925,162.65
5. Step 5: Solve for x
   x = 55,925,162.65/9,478.14
6. Step 6: Final answer
   x = 5,900.44