Finding the Fourth Proportional to 1,429.74, 1,973.64 and 1,036.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.74 : 1,973.64 = 1,036.69 : x
2. Step 2: Convert to fraction form
   1,429.74/1,973.64 = 1,036.69/x
3. Step 3: Cross multiply
   1,429.74x = 1,973.64 × 1,036.69
4. Step 4: Simplify right side
   1,429.74x = 2,046,052.85
5. Step 5: Solve for x
   x = 2,046,052.85/1,429.74
6. Step 6: Final answer
   x = 1,431.07