Finding the Fourth Proportional to 3,820.52, 5,730.59 and 1,047.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.52 : 5,730.59 = 1,047.15 : x
2. Step 2: Convert to fraction form
   3,820.52/5,730.59 = 1,047.15/x
3. Step 3: Cross multiply
   3,820.52x = 5,730.59 × 1,047.15
4. Step 4: Simplify right side
   3,820.52x = 6,000,789.94
5. Step 5: Solve for x
   x = 6,000,789.94/3,820.52
6. Step 6: Final answer
   x = 1,570.67