Finding the Fourth Proportional to 1,076.64, 1,612.52 and 1,052.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.64 : 1,612.52 = 1,052.34 : x
2. Step 2: Convert to fraction form
   1,076.64/1,612.52 = 1,052.34/x
3. Step 3: Cross multiply
   1,076.64x = 1,612.52 × 1,052.34
4. Step 4: Simplify right side
   1,076.64x = 1,696,919.30
5. Step 5: Solve for x
   x = 1,696,919.30/1,076.64
6. Step 6: Final answer
   x = 1,576.13