Finding the Fourth Proportional to 23,426.31, 32,328.57 and 12,671.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,426.31 : 32,328.57 = 12,671.40 : x
2. Step 2: Convert to fraction form
   23,426.31/32,328.57 = 12,671.40/x
3. Step 3: Cross multiply
   23,426.31x = 32,328.57 × 12,671.40
4. Step 4: Simplify right side
   23,426.31x = 409,648,157.52
5. Step 5: Solve for x
   x = 409,648,157.52/23,426.31
6. Step 6: Final answer
   x = 17,486.67