Finding the Fourth Proportional to 1,477.31, 2,230.07 and 1,469.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477.31 : 2,230.07 = 1,469.10 : x
2. Step 2: Convert to fraction form
   1,477.31/2,230.07 = 1,469.10/x
3. Step 3: Cross multiply
   1,477.31x = 2,230.07 × 1,469.10
4. Step 4: Simplify right side
   1,477.31x = 3,276,196.85
5. Step 5: Solve for x
   x = 3,276,196.85/1,477.31
6. Step 6: Final answer
   x = 2,217.68