Finding the Fourth Proportional to 1,483.83, 2,047.50 and 820.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.83 : 2,047.50 = 820.59 : x
2. Step 2: Convert to fraction form
   1,483.83/2,047.50 = 820.59/x
3. Step 3: Cross multiply
   1,483.83x = 2,047.50 × 820.59
4. Step 4: Simplify right side
   1,483.83x = 1,680,158.03
5. Step 5: Solve for x
   x = 1,680,158.03/1,483.83
6. Step 6: Final answer
   x = 1,132.31