Finding the Fourth Proportional to 1,669.58, 2,303.98 and 923.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.58 : 2,303.98 = 923.62 : x
2. Step 2: Convert to fraction form
   1,669.58/2,303.98 = 923.62/x
3. Step 3: Cross multiply
   1,669.58x = 2,303.98 × 923.62
4. Step 4: Simplify right side
   1,669.58x = 2,128,002.01
5. Step 5: Solve for x
   x = 2,128,002.01/1,669.58
6. Step 6: Final answer
   x = 1,274.57