Finding the Fourth Proportional to 3,784.48, 5,674.76 and 1,702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.48 : 5,674.76 = 1,702.72 : x
2. Step 2: Convert to fraction form
   3,784.48/5,674.76 = 1,702.72/x
3. Step 3: Cross multiply
   3,784.48x = 5,674.76 × 1,702.72
4. Step 4: Simplify right side
   3,784.48x = 9,662,527.35
5. Step 5: Solve for x
   x = 9,662,527.35/3,784.48
6. Step 6: Final answer
   x = 2,553.20