Finding the Fourth Proportional to 23,511.05, 32,445.81 and 12,900.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,511.05 : 32,445.81 = 12,900.67 : x
2. Step 2: Convert to fraction form
   23,511.05/32,445.81 = 12,900.67/x
3. Step 3: Cross multiply
   23,511.05x = 32,445.81 × 12,900.67
4. Step 4: Simplify right side
   23,511.05x = 418,572,687.69
5. Step 5: Solve for x
   x = 418,572,687.69/23,511.05
6. Step 6: Final answer
   x = 17,803.23