Finding the Fourth Proportional to 2,364.31, 3,261.75 and 1,420.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,364.31 : 3,261.75 = 1,420.12 : x
2. Step 2: Convert to fraction form
   2,364.31/3,261.75 = 1,420.12/x
3. Step 3: Cross multiply
   2,364.31x = 3,261.75 × 1,420.12
4. Step 4: Simplify right side
   2,364.31x = 4,632,076.41
5. Step 5: Solve for x
   x = 4,632,076.41/2,364.31
6. Step 6: Final answer
   x = 1,959.17