Finding the Fourth Proportional to 10,929.35, 16,394.00 and 4,685.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929.35 : 16,394.00 = 4,685.31 : x
2. Step 2: Convert to fraction form
   10,929.35/16,394.00 = 4,685.31/x
3. Step 3: Cross multiply
   10,929.35x = 16,394.00 × 4,685.31
4. Step 4: Simplify right side
   10,929.35x = 76,810,948.71
5. Step 5: Solve for x
   x = 76,810,948.71/10,929.35
6. Step 6: Final answer
   x = 7,027.96