Finding the Fourth Proportional to 1,923.42, 2,654.32 and 1,039.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,923.42 : 2,654.32 = 1,039.22 : x
2. Step 2: Convert to fraction form
   1,923.42/2,654.32 = 1,039.22/x
3. Step 3: Cross multiply
   1,923.42x = 2,654.32 × 1,039.22
4. Step 4: Simplify right side
   1,923.42x = 2,758,422.43
5. Step 5: Solve for x
   x = 2,758,422.43/1,923.42
6. Step 6: Final answer
   x = 1,434.12