Finding the Fourth Proportional to 32,109.21, 48,177.59 and 12,401.60

Step by Step Solution

1. Step 1: Write the proportion equation
   32,109.21 : 48,177.59 = 12,401.60 : x
2. Step 2: Convert to fraction form
   32,109.21/48,177.59 = 12,401.60/x
3. Step 3: Cross multiply
   32,109.21x = 48,177.59 × 12,401.60
4. Step 4: Simplify right side
   32,109.21x = 597,479,200.14
5. Step 5: Solve for x
   x = 597,479,200.14/32,109.21
6. Step 6: Final answer
   x = 18,607.72