Finding the Fourth Proportional to 3,507.89, 4,840.89 and 2,015.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507.89 : 4,840.89 = 2,015.94 : x
2. Step 2: Convert to fraction form
   3,507.89/4,840.89 = 2,015.94/x
3. Step 3: Cross multiply
   3,507.89x = 4,840.89 × 2,015.94
4. Step 4: Simplify right side
   3,507.89x = 9,758,943.79
5. Step 5: Solve for x
   x = 9,758,943.79/3,507.89
6. Step 6: Final answer
   x = 2,782.00