Finding the Fourth Proportional to 1,594.14, 2,199.67 and 912.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,594.14 : 2,199.67 = 912.72 : x
2. Step 2: Convert to fraction form
   1,594.14/2,199.67 = 912.72/x
3. Step 3: Cross multiply
   1,594.14x = 2,199.67 × 912.72
4. Step 4: Simplify right side
   1,594.14x = 2,007,682.80
5. Step 5: Solve for x
   x = 2,007,682.80/1,594.14
6. Step 6: Final answer
   x = 1,259.41