Finding the Fourth Proportional to 2,636.18, 3,637.80 and 1,588.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.18 : 3,637.80 = 1,588.04 : x
2. Step 2: Convert to fraction form
   2,636.18/3,637.80 = 1,588.04/x
3. Step 3: Cross multiply
   2,636.18x = 3,637.80 × 1,588.04
4. Step 4: Simplify right side
   2,636.18x = 5,776,971.91
5. Step 5: Solve for x
   x = 5,776,971.91/2,636.18
6. Step 6: Final answer
   x = 2,191.42