Finding the Fourth Proportional to 2,667.50, 3,985.06 and 2,230.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.50 : 3,985.06 = 2,230.10 : x
2. Step 2: Convert to fraction form
   2,667.50/3,985.06 = 2,230.10/x
3. Step 3: Cross multiply
   2,667.50x = 3,985.06 × 2,230.10
4. Step 4: Simplify right side
   2,667.50x = 8,887,082.31
5. Step 5: Solve for x
   x = 8,887,082.31/2,667.50
6. Step 6: Final answer
   x = 3,331.61