Finding the Fourth Proportional to 1,432.68, 1,973.46 and 1,012.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.68 : 1,973.46 = 1,012.29 : x
2. Step 2: Convert to fraction form
   1,432.68/1,973.46 = 1,012.29/x
3. Step 3: Cross multiply
   1,432.68x = 1,973.46 × 1,012.29
4. Step 4: Simplify right side
   1,432.68x = 1,997,713.82
5. Step 5: Solve for x
   x = 1,997,713.82/1,432.68
6. Step 6: Final answer
   x = 1,394.39