Finding the Fourth Proportional to 6,929.31, 10,395.50 and 1,998.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,929.31 : 10,395.50 = 1,998.56 : x
2. Step 2: Convert to fraction form
   6,929.31/10,395.50 = 1,998.56/x
3. Step 3: Cross multiply
   6,929.31x = 10,395.50 × 1,998.56
4. Step 4: Simplify right side
   6,929.31x = 20,776,030.48
5. Step 5: Solve for x
   x = 20,776,030.48/6,929.31
6. Step 6: Final answer
   x = 2,998.28