Finding the Fourth Proportional to 1,729.50, 2,386.71 and 943.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.50 : 2,386.71 = 943.61 : x
2. Step 2: Convert to fraction form
   1,729.50/2,386.71 = 943.61/x
3. Step 3: Cross multiply
   1,729.50x = 2,386.71 × 943.61
4. Step 4: Simplify right side
   1,729.50x = 2,252,111.49
5. Step 5: Solve for x
   x = 2,252,111.49/1,729.50
6. Step 6: Final answer
   x = 1,302.17