Finding the Fourth Proportional to 3,513.15, 4,848.01 and 2,020.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.15 : 4,848.01 = 2,020.05 : x
2. Step 2: Convert to fraction form
   3,513.15/4,848.01 = 2,020.05/x
3. Step 3: Cross multiply
   3,513.15x = 4,848.01 × 2,020.05
4. Step 4: Simplify right side
   3,513.15x = 9,793,222.60
5. Step 5: Solve for x
   x = 9,793,222.60/3,513.15
6. Step 6: Final answer
   x = 2,787.59