Finding the Fourth Proportional to 1,433.07, 1,975.05 and 1,039.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.07 : 1,975.05 = 1,039.41 : x
2. Step 2: Convert to fraction form
   1,433.07/1,975.05 = 1,039.41/x
3. Step 3: Cross multiply
   1,433.07x = 1,975.05 × 1,039.41
4. Step 4: Simplify right side
   1,433.07x = 2,052,886.72
5. Step 5: Solve for x
   x = 2,052,886.72/1,433.07
6. Step 6: Final answer
   x = 1,432.51