Finding the Fourth Proportional to 9,778.31, 14,662.16 and 3,450.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,778.31 : 14,662.16 = 3,450.01 : x
2. Step 2: Convert to fraction form
   9,778.31/14,662.16 = 3,450.01/x
3. Step 3: Cross multiply
   9,778.31x = 14,662.16 × 3,450.01
4. Step 4: Simplify right side
   9,778.31x = 50,584,581.37
5. Step 5: Solve for x
   x = 50,584,581.37/9,778.31
6. Step 6: Final answer
   x = 5,173.14