Finding the Fourth Proportional to 1,926.01, 2,890.32 and 830.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.01 : 2,890.32 = 830.49 : x
2. Step 2: Convert to fraction form
   1,926.01/2,890.32 = 830.49/x
3. Step 3: Cross multiply
   1,926.01x = 2,890.32 × 830.49
4. Step 4: Simplify right side
   1,926.01x = 2,400,367.90
5. Step 5: Solve for x
   x = 2,400,367.90/1,926.01
6. Step 6: Final answer
   x = 1,246.29