Finding the Fourth Proportional to 9,018.72, 13,530.14 and 3,175.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.72 : 13,530.14 = 3,175.38 : x
2. Step 2: Convert to fraction form
   9,018.72/13,530.14 = 3,175.38/x
3. Step 3: Cross multiply
   9,018.72x = 13,530.14 × 3,175.38
4. Step 4: Simplify right side
   9,018.72x = 42,963,335.95
5. Step 5: Solve for x
   x = 42,963,335.95/9,018.72
6. Step 6: Final answer
   x = 4,763.80