Finding the Fourth Proportional to 3,518.34, 4,856.25 and 2,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518.34 : 4,856.25 = 2,191.25 : x
2. Step 2: Convert to fraction form
   3,518.34/4,856.25 = 2,191.25/x
3. Step 3: Cross multiply
   3,518.34x = 4,856.25 × 2,191.25
4. Step 4: Simplify right side
   3,518.34x = 10,641,278.17
5. Step 5: Solve for x
   x = 10,641,278.17/3,518.34
6. Step 6: Final answer
   x = 3,024.52