Finding the Fourth Proportional to 13,002.47, 19,506.63 and 4,118.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.47 : 19,506.63 = 4,118.33 : x
2. Step 2: Convert to fraction form
   13,002.47/19,506.63 = 4,118.33/x
3. Step 3: Cross multiply
   13,002.47x = 19,506.63 × 4,118.33
4. Step 4: Simplify right side
   13,002.47x = 80,334,788.29
5. Step 5: Solve for x
   x = 80,334,788.29/13,002.47
6. Step 6: Final answer
   x = 6,178.43