Finding the Fourth Proportional to 39,827.16, 59,738.58 and 12,123

Step by Step Solution

1. Step 1: Write the proportion equation
   39,827.16 : 59,738.58 = 12,123 : x
2. Step 2: Convert to fraction form
   39,827.16/59,738.58 = 12,123/x
3. Step 3: Cross multiply
   39,827.16x = 59,738.58 × 12,123
4. Step 4: Simplify right side
   39,827.16x = 724,210,805.34
5. Step 5: Solve for x
   x = 724,210,805.34/39,827.16
6. Step 6: Final answer
   x = 18,183.84