Finding the Fourth Proportional to 1,483.42, 2,047.16 and 820.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.42 : 2,047.16 = 820.32 : x
2. Step 2: Convert to fraction form
   1,483.42/2,047.16 = 820.32/x
3. Step 3: Cross multiply
   1,483.42x = 2,047.16 × 820.32
4. Step 4: Simplify right side
   1,483.42x = 1,679,316.06
5. Step 5: Solve for x
   x = 1,679,316.06/1,483.42
6. Step 6: Final answer
   x = 1,132.06