Finding the Fourth Proportional to 1,036.10, 1,429.20 and 662.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.10 : 1,429.20 = 662.94 : x
2. Step 2: Convert to fraction form
   1,036.10/1,429.20 = 662.94/x
3. Step 3: Cross multiply
   1,036.10x = 1,429.20 × 662.94
4. Step 4: Simplify right side
   1,036.10x = 947,473.85
5. Step 5: Solve for x
   x = 947,473.85/1,036.10
6. Step 6: Final answer
   x = 914.47