Finding the Fourth Proportional to 1,873.96, 2,809.59 and 1,171.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873.96 : 2,809.59 = 1,171.42 : x
2. Step 2: Convert to fraction form
   1,873.96/2,809.59 = 1,171.42/x
3. Step 3: Cross multiply
   1,873.96x = 2,809.59 × 1,171.42
4. Step 4: Simplify right side
   1,873.96x = 3,291,209.92
5. Step 5: Solve for x
   x = 3,291,209.92/1,873.96
6. Step 6: Final answer
   x = 1,756.29