Finding the Fourth Proportional to 2,636.45, 3,638.93 and 1,588.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.45 : 3,638.93 = 1,588.51 : x
2. Step 2: Convert to fraction form
   2,636.45/3,638.93 = 1,588.51/x
3. Step 3: Cross multiply
   2,636.45x = 3,638.93 × 1,588.51
4. Step 4: Simplify right side
   2,636.45x = 5,780,473.30
5. Step 5: Solve for x
   x = 5,780,473.30/2,636.45
6. Step 6: Final answer
   x = 2,192.52