Finding the Fourth Proportional to 3,662.30, 5,117.50 and 3,662.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.30 : 5,117.50 = 3,662.30 : x
2. Step 2: Convert to fraction form
   3,662.30/5,117.50 = 3,662.30/x
3. Step 3: Cross multiply
   3,662.30x = 5,117.50 × 3,662.30
4. Step 4: Simplify right side
   3,662.30x = 18,741,820.25
5. Step 5: Solve for x
   x = 18,741,820.25/3,662.30
6. Step 6: Final answer
   x = 5,117.50