Finding the Fourth Proportional to 1,429.98, 1,972.71 and 1,010.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.98 : 1,972.71 = 1,010.34 : x
2. Step 2: Convert to fraction form
   1,429.98/1,972.71 = 1,010.34/x
3. Step 3: Cross multiply
   1,429.98x = 1,972.71 × 1,010.34
4. Step 4: Simplify right side
   1,429.98x = 1,993,107.82
5. Step 5: Solve for x
   x = 1,993,107.82/1,429.98
6. Step 6: Final answer
   x = 1,393.80