Finding the Fourth Proportional to 5,285.34, 7,293.15 and 3,047.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,285.34 : 7,293.15 = 3,047.31 : x
2. Step 2: Convert to fraction form
   5,285.34/7,293.15 = 3,047.31/x
3. Step 3: Cross multiply
   5,285.34x = 7,293.15 × 3,047.31
4. Step 4: Simplify right side
   5,285.34x = 22,224,488.93
5. Step 5: Solve for x
   x = 22,224,488.93/5,285.34
6. Step 6: Final answer
   x = 4,204.93