Finding the Fourth Proportional to 12,000.71, 18,002.03 and 3,235.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,000.71 : 18,002.03 = 3,235.50 : x
2. Step 2: Convert to fraction form
   12,000.71/18,002.03 = 3,235.50/x
3. Step 3: Cross multiply
   12,000.71x = 18,002.03 × 3,235.50
4. Step 4: Simplify right side
   12,000.71x = 58,245,551.89
5. Step 5: Solve for x
   x = 58,245,551.89/12,000.71
6. Step 6: Final answer
   x = 4,853.51