Finding the Fourth Proportional to 23,427.67, 32,330.22 and 12,817.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,427.67 : 32,330.22 = 12,817.30 : x
2. Step 2: Convert to fraction form
   23,427.67/32,330.22 = 12,817.30/x
3. Step 3: Cross multiply
   23,427.67x = 32,330.22 × 12,817.30
4. Step 4: Simplify right side
   23,427.67x = 414,386,128.81
5. Step 5: Solve for x
   x = 414,386,128.81/23,427.67
6. Step 6: Final answer
   x = 17,687.89