Finding the Fourth Proportional to 1,957.58, 2,931.89 and 983.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,957.58 : 2,931.89 = 983.96 : x
2. Step 2: Convert to fraction form
   1,957.58/2,931.89 = 983.96/x
3. Step 3: Cross multiply
   1,957.58x = 2,931.89 × 983.96
4. Step 4: Simplify right side
   1,957.58x = 2,884,862.48
5. Step 5: Solve for x
   x = 2,884,862.48/1,957.58
6. Step 6: Final answer
   x = 1,473.69