Finding the Fourth Proportional to 1,063.02, 1,591.35 and 574.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.02 : 1,591.35 = 574.59 : x
2. Step 2: Convert to fraction form
   1,063.02/1,591.35 = 574.59/x
3. Step 3: Cross multiply
   1,063.02x = 1,591.35 × 574.59
4. Step 4: Simplify right side
   1,063.02x = 914,377.61
5. Step 5: Solve for x
   x = 914,377.61/1,063.02
6. Step 6: Final answer
   x = 860.17