Finding the Fourth Proportional to 32,131.86, 48,181.59 and 13,407.03

Step by Step Solution

1. Step 1: Write the proportion equation
   32,131.86 : 48,181.59 = 13,407.03 : x
2. Step 2: Convert to fraction form
   32,131.86/48,181.59 = 13,407.03/x
3. Step 3: Cross multiply
   32,131.86x = 48,181.59 × 13,407.03
4. Step 4: Simplify right side
   32,131.86x = 645,972,022.58
5. Step 5: Solve for x
   x = 645,972,022.58/32,131.86
6. Step 6: Final answer
   x = 20,103.79