Finding the Fourth Proportional to 1,484.06, 2,048.04 and 820.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.06 : 2,048.04 = 820.98 : x
2. Step 2: Convert to fraction form
   1,484.06/2,048.04 = 820.98/x
3. Step 3: Cross multiply
   1,484.06x = 2,048.04 × 820.98
4. Step 4: Simplify right side
   1,484.06x = 1,681,399.88
5. Step 5: Solve for x
   x = 1,681,399.88/1,484.06
6. Step 6: Final answer
   x = 1,132.98