Finding the Fourth Proportional to 1,011.08, 1,395.18 and 568.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011.08 : 1,395.18 = 568.89 : x
2. Step 2: Convert to fraction form
   1,011.08/1,395.18 = 568.89/x
3. Step 3: Cross multiply
   1,011.08x = 1,395.18 × 568.89
4. Step 4: Simplify right side
   1,011.08x = 793,698.72
5. Step 5: Solve for x
   x = 793,698.72/1,011.08
6. Step 6: Final answer
   x = 785.00