Finding the Fourth Proportional to 32,485.42, 48,729.57 and 9,111.34

Step by Step Solution

1. Step 1: Write the proportion equation
   32,485.42 : 48,729.57 = 9,111.34 : x
2. Step 2: Convert to fraction form
   32,485.42/48,729.57 = 9,111.34/x
3. Step 3: Cross multiply
   32,485.42x = 48,729.57 × 9,111.34
4. Step 4: Simplify right side
   32,485.42x = 443,991,680.32
5. Step 5: Solve for x
   x = 443,991,680.32/32,485.42
6. Step 6: Final answer
   x = 13,667.41