Finding the Fourth Proportional to 1,047.71, 1,445.86 and 575.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.71 : 1,445.86 = 575.62 : x
2. Step 2: Convert to fraction form
   1,047.71/1,445.86 = 575.62/x
3. Step 3: Cross multiply
   1,047.71x = 1,445.86 × 575.62
4. Step 4: Simplify right side
   1,047.71x = 832,265.93
5. Step 5: Solve for x
   x = 832,265.93/1,047.71
6. Step 6: Final answer
   x = 794.37