Finding the Fourth Proportional to 2,926.29, 4,389.06 and 818.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,926.29 : 4,389.06 = 818.07 : x
2. Step 2: Convert to fraction form
   2,926.29/4,389.06 = 818.07/x
3. Step 3: Cross multiply
   2,926.29x = 4,389.06 × 818.07
4. Step 4: Simplify right side
   2,926.29x = 3,590,558.31
5. Step 5: Solve for x
   x = 3,590,558.31/2,926.29
6. Step 6: Final answer
   x = 1,227.00