Finding the Fourth Proportional to 1,669.32, 2,303.61 and 923.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.32 : 2,303.61 = 923.22 : x
2. Step 2: Convert to fraction form
   1,669.32/2,303.61 = 923.22/x
3. Step 3: Cross multiply
   1,669.32x = 2,303.61 × 923.22
4. Step 4: Simplify right side
   1,669.32x = 2,126,738.82
5. Step 5: Solve for x
   x = 2,126,738.82/1,669.32
6. Step 6: Final answer
   x = 1,274.02