Finding the Fourth Proportional to 1,014.91, 1,400.59 and 572.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014.91 : 1,400.59 = 572.82 : x
2. Step 2: Convert to fraction form
   1,014.91/1,400.59 = 572.82/x
3. Step 3: Cross multiply
   1,014.91x = 1,400.59 × 572.82
4. Step 4: Simplify right side
   1,014.91x = 802,285.96
5. Step 5: Solve for x
   x = 802,285.96/1,014.91
6. Step 6: Final answer
   x = 790.50