Finding the Fourth Proportional to 1,983.47, 2,973.18 and 1,434.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.47 : 2,973.18 = 1,434.29 : x
2. Step 2: Convert to fraction form
   1,983.47/2,973.18 = 1,434.29/x
3. Step 3: Cross multiply
   1,983.47x = 2,973.18 × 1,434.29
4. Step 4: Simplify right side
   1,983.47x = 4,264,402.34
5. Step 5: Solve for x
   x = 4,264,402.34/1,983.47
6. Step 6: Final answer
   x = 2,149.97