Finding the Fourth Proportional to 3,607.58, 4,978.40 and 2,036.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.58 : 4,978.40 = 2,036.18 : x
2. Step 2: Convert to fraction form
   3,607.58/4,978.40 = 2,036.18/x
3. Step 3: Cross multiply
   3,607.58x = 4,978.40 × 2,036.18
4. Step 4: Simplify right side
   3,607.58x = 10,136,918.51
5. Step 5: Solve for x
   x = 10,136,918.51/3,607.58
6. Step 6: Final answer
   x = 2,809.89