Finding the Fourth Proportional to 13,038.62, 19,559.98 and 4,271.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,038.62 : 19,559.98 = 4,271.48 : x
2. Step 2: Convert to fraction form
   13,038.62/19,559.98 = 4,271.48/x
3. Step 3: Cross multiply
   13,038.62x = 19,559.98 × 4,271.48
4. Step 4: Simplify right side
   13,038.62x = 83,550,154.28
5. Step 5: Solve for x
   x = 83,550,154.28/13,038.62
6. Step 6: Final answer
   x = 6,407.90