Finding the Fourth Proportional to 36,978.34, 55,456.56 and 10,683.32

Step by Step Solution

1. Step 1: Write the proportion equation
   36,978.34 : 55,456.56 = 10,683.32 : x
2. Step 2: Convert to fraction form
   36,978.34/55,456.56 = 10,683.32/x
3. Step 3: Cross multiply
   36,978.34x = 55,456.56 × 10,683.32
4. Step 4: Simplify right side
   36,978.34x = 592,460,176.58
5. Step 5: Solve for x
   x = 592,460,176.58/36,978.34
6. Step 6: Final answer
   x = 16,021.82