Finding the Fourth Proportional to 9,018.69, 13,528.13 and 3,175.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.69 : 13,528.13 = 3,175.35 : x
2. Step 2: Convert to fraction form
   9,018.69/13,528.13 = 3,175.35/x
3. Step 3: Cross multiply
   9,018.69x = 13,528.13 × 3,175.35
4. Step 4: Simplify right side
   9,018.69x = 42,956,531.72
5. Step 5: Solve for x
   x = 42,956,531.72/9,018.69
6. Step 6: Final answer
   x = 4,763.06