Finding the Fourth Proportional to 1,061.03, 1,464.18 and 619.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.03 : 1,464.18 = 619.17 : x
2. Step 2: Convert to fraction form
   1,061.03/1,464.18 = 619.17/x
3. Step 3: Cross multiply
   1,061.03x = 1,464.18 × 619.17
4. Step 4: Simplify right side
   1,061.03x = 906,576.33
5. Step 5: Solve for x
   x = 906,576.33/1,061.03
6. Step 6: Final answer
   x = 854.43