Finding the Fourth Proportional to 23,486.91, 32,411.94 and 12,876.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,486.91 : 32,411.94 = 12,876.62 : x
2. Step 2: Convert to fraction form
   23,486.91/32,411.94 = 12,876.62/x
3. Step 3: Cross multiply
   23,486.91x = 32,411.94 × 12,876.62
4. Step 4: Simplify right side
   23,486.91x = 417,356,024.50
5. Step 5: Solve for x
   x = 417,356,024.50/23,486.91
6. Step 6: Final answer
   x = 17,769.73