Finding the Fourth Proportional to 23,281.72, 32,128.68 and 12,671.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,281.72 : 32,128.68 = 12,671.35 : x
2. Step 2: Convert to fraction form
   23,281.72/32,128.68 = 12,671.35/x
3. Step 3: Cross multiply
   23,281.72x = 32,128.68 × 12,671.35
4. Step 4: Simplify right side
   23,281.72x = 407,113,749.32
5. Step 5: Solve for x
   x = 407,113,749.32/23,281.72
6. Step 6: Final answer
   x = 17,486.41