Finding the Fourth Proportional to 3,003.30, 4,207.50 and 3,003.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,003.30 : 4,207.50 = 3,003.30 : x
2. Step 2: Convert to fraction form
   3,003.30/4,207.50 = 3,003.30/x
3. Step 3: Cross multiply
   3,003.30x = 4,207.50 × 3,003.30
4. Step 4: Simplify right side
   3,003.30x = 12,636,384.75
5. Step 5: Solve for x
   x = 12,636,384.75/3,003.30
6. Step 6: Final answer
   x = 4,207.50