Finding the Fourth Proportional to 1,729.63, 2,386.89 and 943.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.63 : 2,386.89 = 943.69 : x
2. Step 2: Convert to fraction form
   1,729.63/2,386.89 = 943.69/x
3. Step 3: Cross multiply
   1,729.63x = 2,386.89 × 943.69
4. Step 4: Simplify right side
   1,729.63x = 2,252,479.51
5. Step 5: Solve for x
   x = 2,252,479.51/1,729.63
6. Step 6: Final answer
   x = 1,302.29