Finding the Fourth Proportional to 2,455.28, 3,667.29 and 2,109.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455.28 : 3,667.29 = 2,109.62 : x
2. Step 2: Convert to fraction form
   2,455.28/3,667.29 = 2,109.62/x
3. Step 3: Cross multiply
   2,455.28x = 3,667.29 × 2,109.62
4. Step 4: Simplify right side
   2,455.28x = 7,736,569.99
5. Step 5: Solve for x
   x = 7,736,569.99/2,455.28
6. Step 6: Final answer
   x = 3,151.00