Finding the Fourth Proportional to 3,690.89, 5,093.34 and 2,012.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690.89 : 5,093.34 = 2,012.23 : x
2. Step 2: Convert to fraction form
   3,690.89/5,093.34 = 2,012.23/x
3. Step 3: Cross multiply
   3,690.89x = 5,093.34 × 2,012.23
4. Step 4: Simplify right side
   3,690.89x = 10,248,971.55
5. Step 5: Solve for x
   x = 10,248,971.55/3,690.89
6. Step 6: Final answer
   x = 2,776.83