Finding the Fourth Proportional to 12,380.34, 18,572.31 and 4,483.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.34 : 18,572.31 = 4,483.46 : x
2. Step 2: Convert to fraction form
   12,380.34/18,572.31 = 4,483.46/x
3. Step 3: Cross multiply
   12,380.34x = 18,572.31 × 4,483.46
4. Step 4: Simplify right side
   12,380.34x = 83,268,116.13
5. Step 5: Solve for x
   x = 83,268,116.13/12,380.34
6. Step 6: Final answer
   x = 6,725.83