Finding the Fourth Proportional to 23,500.37, 32,429.95 and 12,889.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,500.37 : 32,429.95 = 12,889.91 : x
2. Step 2: Convert to fraction form
   23,500.37/32,429.95 = 12,889.91/x
3. Step 3: Cross multiply
   23,500.37x = 32,429.95 × 12,889.91
4. Step 4: Simplify right side
   23,500.37x = 418,018,942.43
5. Step 5: Solve for x
   x = 418,018,942.43/23,500.37
6. Step 6: Final answer
   x = 17,787.76