Finding the Fourth Proportional to 9,140.06, 13,710.17 and 2,214.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140.06 : 13,710.17 = 2,214.56 : x
2. Step 2: Convert to fraction form
   9,140.06/13,710.17 = 2,214.56/x
3. Step 3: Cross multiply
   9,140.06x = 13,710.17 × 2,214.56
4. Step 4: Simplify right side
   9,140.06x = 30,362,017.28
5. Step 5: Solve for x
   x = 30,362,017.28/9,140.06
6. Step 6: Final answer
   x = 3,321.86