Finding the Fourth Proportional to 1,043.37, 1,440.93 and 902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.37 : 1,440.93 = 902.82 : x
2. Step 2: Convert to fraction form
   1,043.37/1,440.93 = 902.82/x
3. Step 3: Cross multiply
   1,043.37x = 1,440.93 × 902.82
4. Step 4: Simplify right side
   1,043.37x = 1,300,893.22
5. Step 5: Solve for x
   x = 1,300,893.22/1,043.37
6. Step 6: Final answer
   x = 1,246.82