Finding the Fourth Proportional to 1,047.62, 1,445.69 and 575.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.62 : 1,445.69 = 575.49 : x
2. Step 2: Convert to fraction form
   1,047.62/1,445.69 = 575.49/x
3. Step 3: Cross multiply
   1,047.62x = 1,445.69 × 575.49
4. Step 4: Simplify right side
   1,047.62x = 831,981.58
5. Step 5: Solve for x
   x = 831,981.58/1,047.62
6. Step 6: Final answer
   x = 794.17