Finding the Fourth Proportional to 1,429.52, 2,139.16 and 844.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.52 : 2,139.16 = 844.84 : x
2. Step 2: Convert to fraction form
   1,429.52/2,139.16 = 844.84/x
3. Step 3: Cross multiply
   1,429.52x = 2,139.16 × 844.84
4. Step 4: Simplify right side
   1,429.52x = 1,807,253.09
5. Step 5: Solve for x
   x = 1,807,253.09/1,429.52
6. Step 6: Final answer
   x = 1,264.23