Finding the Fourth Proportional to 1,063.31, 1,595.88 and 414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.31 : 1,595.88 = 414.50 : x
2. Step 2: Convert to fraction form
   1,063.31/1,595.88 = 414.50/x
3. Step 3: Cross multiply
   1,063.31x = 1,595.88 × 414.50
4. Step 4: Simplify right side
   1,063.31x = 661,484.28
5. Step 5: Solve for x
   x = 661,484.28/1,063.31
6. Step 6: Final answer
   x = 622.10