Finding the Fourth Proportional to 1,552.05, 2,141.91 and 853.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.05 : 2,141.91 = 853.47 : x
2. Step 2: Convert to fraction form
   1,552.05/2,141.91 = 853.47/x
3. Step 3: Cross multiply
   1,552.05x = 2,141.91 × 853.47
4. Step 4: Simplify right side
   1,552.05x = 1,828,055.93
5. Step 5: Solve for x
   x = 1,828,055.93/1,552.05
6. Step 6: Final answer
   x = 1,177.83