Finding the Fourth Proportional to 1,552.09, 2,141.83 and 853.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.09 : 2,141.83 = 853.46 : x
2. Step 2: Convert to fraction form
   1,552.09/2,141.83 = 853.46/x
3. Step 3: Cross multiply
   1,552.09x = 2,141.83 × 853.46
4. Step 4: Simplify right side
   1,552.09x = 1,827,966.23
5. Step 5: Solve for x
   x = 1,827,966.23/1,552.09
6. Step 6: Final answer
   x = 1,177.74