Finding the Fourth Proportional to 1,047.59, 1,445.68 and 575.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.59 : 1,445.68 = 575.53 : x
2. Step 2: Convert to fraction form
   1,047.59/1,445.68 = 575.53/x
3. Step 3: Cross multiply
   1,047.59x = 1,445.68 × 575.53
4. Step 4: Simplify right side
   1,047.59x = 832,029.32
5. Step 5: Solve for x
   x = 832,029.32/1,047.59
6. Step 6: Final answer
   x = 794.23