Finding the Fourth Proportional to 9,018.29, 13,529.51 and 3,174.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.29 : 13,529.51 = 3,174.95 : x
2. Step 2: Convert to fraction form
   9,018.29/13,529.51 = 3,174.95/x
3. Step 3: Cross multiply
   9,018.29x = 13,529.51 × 3,174.95
4. Step 4: Simplify right side
   9,018.29x = 42,955,434.25
5. Step 5: Solve for x
   x = 42,955,434.25/9,018.29
6. Step 6: Final answer
   x = 4,763.15