Finding the Fourth Proportional to 32,770, 49,155.18 and 8,146

Step by Step Solution

1. Step 1: Write the proportion equation
   32,770 : 49,155.18 = 8,146 : x
2. Step 2: Convert to fraction form
   32,770/49,155.18 = 8,146/x
3. Step 3: Cross multiply
   32,770x = 49,155.18 × 8,146
4. Step 4: Simplify right side
   32,770x = 400,418,096.28
5. Step 5: Solve for x
   x = 400,418,096.28/32,770
6. Step 6: Final answer
   x = 12,219.04