Finding the Fourth Proportional to 1,875.91, 2,811.72 and 834.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.91 : 2,811.72 = 834.34 : x
2. Step 2: Convert to fraction form
   1,875.91/2,811.72 = 834.34/x
3. Step 3: Cross multiply
   1,875.91x = 2,811.72 × 834.34
4. Step 4: Simplify right side
   1,875.91x = 2,345,930.46
5. Step 5: Solve for x
   x = 2,345,930.46/1,875.91
6. Step 6: Final answer
   x = 1,250.56