Finding the Fourth Proportional to 1,483.34, 2,047.07 and 820.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.34 : 2,047.07 = 820.22 : x
2. Step 2: Convert to fraction form
   1,483.34/2,047.07 = 820.22/x
3. Step 3: Cross multiply
   1,483.34x = 2,047.07 × 820.22
4. Step 4: Simplify right side
   1,483.34x = 1,679,054.92
5. Step 5: Solve for x
   x = 1,679,054.92/1,483.34
6. Step 6: Final answer
   x = 1,131.94