Finding the Fourth Proportional to 1,983.30, 2,973.72 and 943.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.30 : 2,973.72 = 943.62 : x
2. Step 2: Convert to fraction form
   1,983.30/2,973.72 = 943.62/x
3. Step 3: Cross multiply
   1,983.30x = 2,973.72 × 943.62
4. Step 4: Simplify right side
   1,983.30x = 2,806,061.67
5. Step 5: Solve for x
   x = 2,806,061.67/1,983.30
6. Step 6: Final answer
   x = 1,414.84