Finding the Fourth Proportional to 2,636.01, 3,638.25 and 2,193.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.01 : 3,638.25 = 2,193.48 : x
2. Step 2: Convert to fraction form
   2,636.01/3,638.25 = 2,193.48/x
3. Step 3: Cross multiply
   2,636.01x = 3,638.25 × 2,193.48
4. Step 4: Simplify right side
   2,636.01x = 7,980,428.61
5. Step 5: Solve for x
   x = 7,980,428.61/2,636.01
6. Step 6: Final answer
   x = 3,027.47