Finding the Fourth Proportional to 1,063.14, 1,592.55 and 698.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.14 : 1,592.55 = 698.10 : x
2. Step 2: Convert to fraction form
   1,063.14/1,592.55 = 698.10/x
3. Step 3: Cross multiply
   1,063.14x = 1,592.55 × 698.10
4. Step 4: Simplify right side
   1,063.14x = 1,111,759.16
5. Step 5: Solve for x
   x = 1,111,759.16/1,063.14
6. Step 6: Final answer
   x = 1,045.73