Finding the Fourth Proportional to 3,720.06, 5,133.63 and 2,018.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720.06 : 5,133.63 = 2,018.54 : x
2. Step 2: Convert to fraction form
   3,720.06/5,133.63 = 2,018.54/x
3. Step 3: Cross multiply
   3,720.06x = 5,133.63 × 2,018.54
4. Step 4: Simplify right side
   3,720.06x = 10,362,437.50
5. Step 5: Solve for x
   x = 10,362,437.50/3,720.06
6. Step 6: Final answer
   x = 2,785.56