Finding the Fourth Proportional to 2,605.96, 3,588.06 and 2,212.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.96 : 3,588.06 = 2,212.12 : x
2. Step 2: Convert to fraction form
   2,605.96/3,588.06 = 2,212.12/x
3. Step 3: Cross multiply
   2,605.96x = 3,588.06 × 2,212.12
4. Step 4: Simplify right side
   2,605.96x = 7,937,219.29
5. Step 5: Solve for x
   x = 7,937,219.29/2,605.96
6. Step 6: Final answer
   x = 3,045.79