Finding the Fourth Proportional to 1,483.67, 2,047.50 and 820.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.67 : 2,047.50 = 820.58 : x
2. Step 2: Convert to fraction form
   1,483.67/2,047.50 = 820.58/x
3. Step 3: Cross multiply
   1,483.67x = 2,047.50 × 820.58
4. Step 4: Simplify right side
   1,483.67x = 1,680,141.14
5. Step 5: Solve for x
   x = 1,680,141.14/1,483.67
6. Step 6: Final answer
   x = 1,132.42