Finding the Fourth Proportional to 1,142.35, 1,576.83 and 694.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.35 : 1,576.83 = 694.22 : x
2. Step 2: Convert to fraction form
   1,142.35/1,576.83 = 694.22/x
3. Step 3: Cross multiply
   1,142.35x = 1,576.83 × 694.22
4. Step 4: Simplify right side
   1,142.35x = 1,094,670.51
5. Step 5: Solve for x
   x = 1,094,670.51/1,142.35
6. Step 6: Final answer
   x = 958.26