Finding the Fourth Proportional to 1,645.59, 2,270.82 and 937.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645.59 : 2,270.82 = 937.32 : x
2. Step 2: Convert to fraction form
   1,645.59/2,270.82 = 937.32/x
3. Step 3: Cross multiply
   1,645.59x = 2,270.82 × 937.32
4. Step 4: Simplify right side
   1,645.59x = 2,128,485.00
5. Step 5: Solve for x
   x = 2,128,485.00/1,645.59
6. Step 6: Final answer
   x = 1,293.45