Finding the Fourth Proportional to 1,223.34, 1,835.82 and 889.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.34 : 1,835.82 = 889.62 : x
2. Step 2: Convert to fraction form
   1,223.34/1,835.82 = 889.62/x
3. Step 3: Cross multiply
   1,223.34x = 1,835.82 × 889.62
4. Step 4: Simplify right side
   1,223.34x = 1,633,182.19
5. Step 5: Solve for x
   x = 1,633,182.19/1,223.34
6. Step 6: Final answer
   x = 1,335.02