Finding the Fourth Proportional to 2,636.02, 3,637.60 and 1,573.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.02 : 3,637.60 = 1,573.96 : x
2. Step 2: Convert to fraction form
   2,636.02/3,637.60 = 1,573.96/x
3. Step 3: Cross multiply
   2,636.02x = 3,637.60 × 1,573.96
4. Step 4: Simplify right side
   2,636.02x = 5,725,436.90
5. Step 5: Solve for x
   x = 5,725,436.90/2,636.02
6. Step 6: Final answer
   x = 2,172.00