Finding the Fourth Proportional to 1,623.58, 2,240.74 and 1,064.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623.58 : 2,240.74 = 1,064.52 : x
2. Step 2: Convert to fraction form
   1,623.58/2,240.74 = 1,064.52/x
3. Step 3: Cross multiply
   1,623.58x = 2,240.74 × 1,064.52
4. Step 4: Simplify right side
   1,623.58x = 2,385,301.34
5. Step 5: Solve for x
   x = 2,385,301.34/1,623.58
6. Step 6: Final answer
   x = 1,469.17