Finding the Fourth Proportional to 1,831.21, 2,523.56 and 1,333.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.21 : 2,523.56 = 1,333.06 : x
2. Step 2: Convert to fraction form
   1,831.21/2,523.56 = 1,333.06/x
3. Step 3: Cross multiply
   1,831.21x = 2,523.56 × 1,333.06
4. Step 4: Simplify right side
   1,831.21x = 3,364,043.92
5. Step 5: Solve for x
   x = 3,364,043.92/1,831.21
6. Step 6: Final answer
   x = 1,837.06