Finding the Fourth Proportional to 1,358.82, 1,875.20 and 834.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.82 : 1,875.20 = 834.84 : x
2. Step 2: Convert to fraction form
   1,358.82/1,875.20 = 834.84/x
3. Step 3: Cross multiply
   1,358.82x = 1,875.20 × 834.84
4. Step 4: Simplify right side
   1,358.82x = 1,565,487.79
5. Step 5: Solve for x
   x = 1,565,487.79/1,358.82
6. Step 6: Final answer
   x = 1,152.09