Finding the Fourth Proportional to 2,602.81, 3,583.06 and 2,012.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.81 : 3,583.06 = 2,012.23 : x
2. Step 2: Convert to fraction form
   2,602.81/3,583.06 = 2,012.23/x
3. Step 3: Cross multiply
   2,602.81x = 3,583.06 × 2,012.23
4. Step 4: Simplify right side
   2,602.81x = 7,209,940.82
5. Step 5: Solve for x
   x = 7,209,940.82/2,602.81
6. Step 6: Final answer
   x = 2,770.06