Finding the Fourth Proportional to 1,973.25, 2,955.89 and 931.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.25 : 2,955.89 = 931.79 : x
2. Step 2: Convert to fraction form
   1,973.25/2,955.89 = 931.79/x
3. Step 3: Cross multiply
   1,973.25x = 2,955.89 × 931.79
4. Step 4: Simplify right side
   1,973.25x = 2,754,278.46
5. Step 5: Solve for x
   x = 2,754,278.46/1,973.25
6. Step 6: Final answer
   x = 1,395.81