Finding the Fourth Proportional to 1,011.32, 1,395.72 and 569.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011.32 : 1,395.72 = 569.24 : x
2. Step 2: Convert to fraction form
   1,011.32/1,395.72 = 569.24/x
3. Step 3: Cross multiply
   1,011.32x = 1,395.72 × 569.24
4. Step 4: Simplify right side
   1,011.32x = 794,499.65
5. Step 5: Solve for x
   x = 794,499.65/1,011.32
6. Step 6: Final answer
   x = 785.61