Finding the Fourth Proportional to 11,783.72, 17,675.18 and 3,018.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,783.72 : 17,675.18 = 3,018.72 : x
2. Step 2: Convert to fraction form
   11,783.72/17,675.18 = 3,018.72/x
3. Step 3: Cross multiply
   11,783.72x = 17,675.18 × 3,018.72
4. Step 4: Simplify right side
   11,783.72x = 53,356,419.37
5. Step 5: Solve for x
   x = 53,356,419.37/11,783.72
6. Step 6: Final answer
   x = 4,527.98