Finding the Fourth Proportional to 1,047.50, 1,445.52 and 575.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.50 : 1,445.52 = 575.38 : x
2. Step 2: Convert to fraction form
   1,047.50/1,445.52 = 575.38/x
3. Step 3: Cross multiply
   1,047.50x = 1,445.52 × 575.38
4. Step 4: Simplify right side
   1,047.50x = 831,716.07
5. Step 5: Solve for x
   x = 831,716.07/1,047.50
6. Step 6: Final answer
   x = 794.00