Finding the Fourth Proportional to 1,047.48, 1,570.20 and 353.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.48 : 1,570.20 = 353.52 : x
2. Step 2: Convert to fraction form
   1,047.48/1,570.20 = 353.52/x
3. Step 3: Cross multiply
   1,047.48x = 1,570.20 × 353.52
4. Step 4: Simplify right side
   1,047.48x = 555,097.10
5. Step 5: Solve for x
   x = 555,097.10/1,047.48
6. Step 6: Final answer
   x = 529.94