Finding the Fourth Proportional to 12,823.59, 19,233.46 and 4,057.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,823.59 : 19,233.46 = 4,057.37 : x
2. Step 2: Convert to fraction form
   12,823.59/19,233.46 = 4,057.37/x
3. Step 3: Cross multiply
   12,823.59x = 19,233.46 × 4,057.37
4. Step 4: Simplify right side
   12,823.59x = 78,037,263.60
5. Step 5: Solve for x
   x = 78,037,263.60/12,823.59
6. Step 6: Final answer
   x = 6,085.45