Finding the Fourth Proportional to 2,247.16, 3,101.48 and 1,690.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,247.16 : 3,101.48 = 1,690.42 : x
2. Step 2: Convert to fraction form
   2,247.16/3,101.48 = 1,690.42/x
3. Step 3: Cross multiply
   2,247.16x = 3,101.48 × 1,690.42
4. Step 4: Simplify right side
   2,247.16x = 5,242,803.82
5. Step 5: Solve for x
   x = 5,242,803.82/2,247.16
6. Step 6: Final answer
   x = 2,333.08