Finding the Fourth Proportional to 5,662.50, 7,809.21 and 3,671.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,662.50 : 7,809.21 = 3,671.07 : x
2. Step 2: Convert to fraction form
   5,662.50/7,809.21 = 3,671.07/x
3. Step 3: Cross multiply
   5,662.50x = 7,809.21 × 3,671.07
4. Step 4: Simplify right side
   5,662.50x = 28,668,156.55
5. Step 5: Solve for x
   x = 28,668,156.55/5,662.50
6. Step 6: Final answer
   x = 5,062.81