Finding the Fourth Proportional to 1,064.00, 1,595.06 and 414.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.00 : 1,595.06 = 414.59 : x
2. Step 2: Convert to fraction form
   1,064.00/1,595.06 = 414.59/x
3. Step 3: Cross multiply
   1,064.00x = 1,595.06 × 414.59
4. Step 4: Simplify right side
   1,064.00x = 661,287.43
5. Step 5: Solve for x
   x = 661,287.43/1,064.00
6. Step 6: Final answer
   x = 621.51