Finding the Fourth Proportional to 32,146.40, 48,212.17 and 12,158.03

Step by Step Solution

1. Step 1: Write the proportion equation
   32,146.40 : 48,212.17 = 12,158.03 : x
2. Step 2: Convert to fraction form
   32,146.40/48,212.17 = 12,158.03/x
3. Step 3: Cross multiply
   32,146.40x = 48,212.17 × 12,158.03
4. Step 4: Simplify right side
   32,146.40x = 586,165,009.23
5. Step 5: Solve for x
   x = 586,165,009.23/32,146.40
6. Step 6: Final answer
   x = 18,234.23