Finding the Fourth Proportional to 1,516.42, 2,092.71 and 853.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.42 : 2,092.71 = 853.39 : x
2. Step 2: Convert to fraction form
   1,516.42/2,092.71 = 853.39/x
3. Step 3: Cross multiply
   1,516.42x = 2,092.71 × 853.39
4. Step 4: Simplify right side
   1,516.42x = 1,785,897.79
5. Step 5: Solve for x
   x = 1,785,897.79/1,516.42
6. Step 6: Final answer
   x = 1,177.71