Finding the Fourth Proportional to 1,576.36, 2,354.00 and 1,485.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576.36 : 2,354.00 = 1,485.24 : x
2. Step 2: Convert to fraction form
   1,576.36/2,354.00 = 1,485.24/x
3. Step 3: Cross multiply
   1,576.36x = 2,354.00 × 1,485.24
4. Step 4: Simplify right side
   1,576.36x = 3,496,238.71
5. Step 5: Solve for x
   x = 3,496,238.71/1,576.36
6. Step 6: Final answer
   x = 2,217.92