Finding the Fourth Proportional to 1,853.14, 2,775.59 and 1,331.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.14 : 2,775.59 = 1,331.57 : x
2. Step 2: Convert to fraction form
   1,853.14/2,775.59 = 1,331.57/x
3. Step 3: Cross multiply
   1,853.14x = 2,775.59 × 1,331.57
4. Step 4: Simplify right side
   1,853.14x = 3,695,892.38
5. Step 5: Solve for x
   x = 3,695,892.38/1,853.14
6. Step 6: Final answer
   x = 1,994.39