Finding the Fourth Proportional to 23,281.59, 32,128.75 and 12,671.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,281.59 : 32,128.75 = 12,671.30 : x
2. Step 2: Convert to fraction form
   23,281.59/32,128.75 = 12,671.30/x
3. Step 3: Cross multiply
   23,281.59x = 32,128.75 × 12,671.30
4. Step 4: Simplify right side
   23,281.59x = 407,113,126.04
5. Step 5: Solve for x
   x = 407,113,126.04/23,281.59
6. Step 6: Final answer
   x = 17,486.48