Finding the Fourth Proportional to 1,632.64, 2,253.37 and 969.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632.64 : 2,253.37 = 969.86 : x
2. Step 2: Convert to fraction form
   1,632.64/2,253.37 = 969.86/x
3. Step 3: Cross multiply
   1,632.64x = 2,253.37 × 969.86
4. Step 4: Simplify right side
   1,632.64x = 2,185,453.43
5. Step 5: Solve for x
   x = 2,185,453.43/1,632.64
6. Step 6: Final answer
   x = 1,338.60