Finding the Fourth Proportional to 1,429.67, 1,970.27 and 1,030.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.67 : 1,970.27 = 1,030.64 : x
2. Step 2: Convert to fraction form
   1,429.67/1,970.27 = 1,030.64/x
3. Step 3: Cross multiply
   1,429.67x = 1,970.27 × 1,030.64
4. Step 4: Simplify right side
   1,429.67x = 2,030,633.92
5. Step 5: Solve for x
   x = 2,030,633.92/1,429.67
6. Step 6: Final answer
   x = 1,420.36