Finding the Fourth Proportional to 1,483.07, 2,046.72 and 853.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.07 : 2,046.72 = 853.76 : x
2. Step 2: Convert to fraction form
   1,483.07/2,046.72 = 853.76/x
3. Step 3: Cross multiply
   1,483.07x = 2,046.72 × 853.76
4. Step 4: Simplify right side
   1,483.07x = 1,747,397.43
5. Step 5: Solve for x
   x = 1,747,397.43/1,483.07
6. Step 6: Final answer
   x = 1,178.23