Finding the Fourth Proportional to 13,002.96, 19,498.80 and 4,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.96 : 19,498.80 = 4,116.12 : x
2. Step 2: Convert to fraction form
   13,002.96/19,498.80 = 4,116.12/x
3. Step 3: Cross multiply
   13,002.96x = 19,498.80 × 4,116.12
4. Step 4: Simplify right side
   13,002.96x = 80,259,400.66
5. Step 5: Solve for x
   x = 80,259,400.66/13,002.96
6. Step 6: Final answer
   x = 6,172.39