Finding the Fourth Proportional to 23,485.35, 32,411.82 and 12,877

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485.35 : 32,411.82 = 12,877 : x
2. Step 2: Convert to fraction form
   23,485.35/32,411.82 = 12,877/x
3. Step 3: Cross multiply
   23,485.35x = 32,411.82 × 12,877
4. Step 4: Simplify right side
   23,485.35x = 417,367,006.14
5. Step 5: Solve for x
   x = 417,367,006.14/23,485.35
6. Step 6: Final answer
   x = 17,771.38