Finding the Fourth Proportional to 91,172.21, 136,819.38 and 32,008.05

Step by Step Solution

1. Step 1: Write the proportion equation
   91,172.21 : 136,819.38 = 32,008.05 : x
2. Step 2: Convert to fraction form
   91,172.21/136,819.38 = 32,008.05/x
3. Step 3: Cross multiply
   91,172.21x = 136,819.38 × 32,008.05
4. Step 4: Simplify right side
   91,172.21x = 4,379,321,556.01
5. Step 5: Solve for x
   x = 4,379,321,556.01/91,172.21
6. Step 6: Final answer
   x = 48,033.52