Finding the Fourth Proportional to 1,594.28, 2,200.05 and 931.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,594.28 : 2,200.05 = 931.34 : x
2. Step 2: Convert to fraction form
   1,594.28/2,200.05 = 931.34/x
3. Step 3: Cross multiply
   1,594.28x = 2,200.05 × 931.34
4. Step 4: Simplify right side
   1,594.28x = 2,048,983.57
5. Step 5: Solve for x
   x = 2,048,983.57/1,594.28
6. Step 6: Final answer
   x = 1,285.21