Finding the Fourth Proportional to 2,523.98, 3,783.85 and 1,206.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.98 : 3,783.85 = 1,206.99 : x
2. Step 2: Convert to fraction form
   2,523.98/3,783.85 = 1,206.99/x
3. Step 3: Cross multiply
   2,523.98x = 3,783.85 × 1,206.99
4. Step 4: Simplify right side
   2,523.98x = 4,567,066.09
5. Step 5: Solve for x
   x = 4,567,066.09/2,523.98
6. Step 6: Final answer
   x = 1,809.47