Finding the Fourth Proportional to 13,002.85, 19,506.17 and 4,235.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.85 : 19,506.17 = 4,235.59 : x
2. Step 2: Convert to fraction form
   13,002.85/19,506.17 = 4,235.59/x
3. Step 3: Cross multiply
   13,002.85x = 19,506.17 × 4,235.59
4. Step 4: Simplify right side
   13,002.85x = 82,620,138.59
5. Step 5: Solve for x
   x = 82,620,138.59/13,002.85
6. Step 6: Final answer
   x = 6,354.00