Finding the Fourth Proportional to 9,018.32, 13,527.56 and 3,174.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.32 : 13,527.56 = 3,174.98 : x
2. Step 2: Convert to fraction form
   9,018.32/13,527.56 = 3,174.98/x
3. Step 3: Cross multiply
   9,018.32x = 13,527.56 × 3,174.98
4. Step 4: Simplify right side
   9,018.32x = 42,949,672.75
5. Step 5: Solve for x
   x = 42,949,672.75/9,018.32
6. Step 6: Final answer
   x = 4,762.49