Finding the Fourth Proportional to 1,729.81, 2,387.15 and 943.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.81 : 2,387.15 = 943.93 : x
2. Step 2: Convert to fraction form
   1,729.81/2,387.15 = 943.93/x
3. Step 3: Cross multiply
   1,729.81x = 2,387.15 × 943.93
4. Step 4: Simplify right side
   1,729.81x = 2,253,302.50
5. Step 5: Solve for x
   x = 2,253,302.50/1,729.81
6. Step 6: Final answer
   x = 1,302.63