Finding the Fourth Proportional to 13,175.82, 19,763.48 and 3,315.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,175.82 : 19,763.48 = 3,315.11 : x
2. Step 2: Convert to fraction form
   13,175.82/19,763.48 = 3,315.11/x
3. Step 3: Cross multiply
   13,175.82x = 19,763.48 × 3,315.11
4. Step 4: Simplify right side
   13,175.82x = 65,517,994.79
5. Step 5: Solve for x
   x = 65,517,994.79/13,175.82
6. Step 6: Final answer
   x = 4,972.59