Finding the Fourth Proportional to 5,424.31, 8,133.54 and 2,926.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,424.31 : 8,133.54 = 2,926.83 : x
2. Step 2: Convert to fraction form
   5,424.31/8,133.54 = 2,926.83/x
3. Step 3: Cross multiply
   5,424.31x = 8,133.54 × 2,926.83
4. Step 4: Simplify right side
   5,424.31x = 23,805,501.89
5. Step 5: Solve for x
   x = 23,805,501.89/5,424.31
6. Step 6: Final answer
   x = 4,388.67