Finding the Fourth Proportional to 1,047.33, 1,445.33 and 575.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.33 : 1,445.33 = 575.27 : x
2. Step 2: Convert to fraction form
   1,047.33/1,445.33 = 575.27/x
3. Step 3: Cross multiply
   1,047.33x = 1,445.33 × 575.27
4. Step 4: Simplify right side
   1,047.33x = 831,444.89
5. Step 5: Solve for x
   x = 831,444.89/1,047.33
6. Step 6: Final answer
   x = 793.87