Finding the Fourth Proportional to 1,589.82, 2,193.72 and 926.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.82 : 2,193.72 = 926.76 : x
2. Step 2: Convert to fraction form
   1,589.82/2,193.72 = 926.76/x
3. Step 3: Cross multiply
   1,589.82x = 2,193.72 × 926.76
4. Step 4: Simplify right side
   1,589.82x = 2,033,051.95
5. Step 5: Solve for x
   x = 2,033,051.95/1,589.82
6. Step 6: Final answer
   x = 1,278.79