Finding the Fourth Proportional to 1,465.32, 2,021.82 and 993.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,465.32 : 2,021.82 = 993.30 : x
2. Step 2: Convert to fraction form
   1,465.32/2,021.82 = 993.30/x
3. Step 3: Cross multiply
   1,465.32x = 2,021.82 × 993.30
4. Step 4: Simplify right side
   1,465.32x = 2,008,273.81
5. Step 5: Solve for x
   x = 2,008,273.81/1,465.32
6. Step 6: Final answer
   x = 1,370.54