Finding the Fourth Proportional to 1,051.03, 1,450.36 and 578.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.03 : 1,450.36 = 578.83 : x
2. Step 2: Convert to fraction form
   1,051.03/1,450.36 = 578.83/x
3. Step 3: Cross multiply
   1,051.03x = 1,450.36 × 578.83
4. Step 4: Simplify right side
   1,051.03x = 839,508.98
5. Step 5: Solve for x
   x = 839,508.98/1,051.03
6. Step 6: Final answer
   x = 798.75