Finding the Fourth Proportional to 1,835.32, 2,531.69 and 1,171.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835.32 : 2,531.69 = 1,171.43 : x
2. Step 2: Convert to fraction form
   1,835.32/2,531.69 = 1,171.43/x
3. Step 3: Cross multiply
   1,835.32x = 2,531.69 × 1,171.43
4. Step 4: Simplify right side
   1,835.32x = 2,965,684.58
5. Step 5: Solve for x
   x = 2,965,684.58/1,835.32
6. Step 6: Final answer
   x = 1,615.89