Finding the Fourth Proportional to 1,775.42, 2,664.52 and 1,231.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,775.42 : 2,664.52 = 1,231.42 : x
2. Step 2: Convert to fraction form
   1,775.42/2,664.52 = 1,231.42/x
3. Step 3: Cross multiply
   1,775.42x = 2,664.52 × 1,231.42
4. Step 4: Simplify right side
   1,775.42x = 3,281,143.22
5. Step 5: Solve for x
   x = 3,281,143.22/1,775.42
6. Step 6: Final answer
   x = 1,848.09