Finding the Fourth Proportional to 1,669.32, 2,498.72 and 936.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.32 : 2,498.72 = 936.68 : x
2. Step 2: Convert to fraction form
   1,669.32/2,498.72 = 936.68/x
3. Step 3: Cross multiply
   1,669.32x = 2,498.72 × 936.68
4. Step 4: Simplify right side
   1,669.32x = 2,340,483.87
5. Step 5: Solve for x
   x = 2,340,483.87/1,669.32
6. Step 6: Final answer
   x = 1,402.06