Finding the Fourth Proportional to 2,086.84, 3,131.28 and 1,474.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.84 : 3,131.28 = 1,474.48 : x
2. Step 2: Convert to fraction form
   2,086.84/3,131.28 = 1,474.48/x
3. Step 3: Cross multiply
   2,086.84x = 3,131.28 × 1,474.48
4. Step 4: Simplify right side
   2,086.84x = 4,617,008.99
5. Step 5: Solve for x
   x = 4,617,008.99/2,086.84
6. Step 6: Final answer
   x = 2,212.44