Finding the Fourth Proportional to 3,513.57, 4,848.12 and 2,169.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.57 : 4,848.12 = 2,169.93 : x
2. Step 2: Convert to fraction form
   3,513.57/4,848.12 = 2,169.93/x
3. Step 3: Cross multiply
   3,513.57x = 4,848.12 × 2,169.93
4. Step 4: Simplify right side
   3,513.57x = 10,520,081.03
5. Step 5: Solve for x
   x = 10,520,081.03/3,513.57
6. Step 6: Final answer
   x = 2,994.13