Finding the Fourth Proportional to 23,486.89, 32,411.88 and 12,876.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,486.89 : 32,411.88 = 12,876.58 : x
2. Step 2: Convert to fraction form
   23,486.89/32,411.88 = 12,876.58/x
3. Step 3: Cross multiply
   23,486.89x = 32,411.88 × 12,876.58
4. Step 4: Simplify right side
   23,486.89x = 417,354,165.77
5. Step 5: Solve for x
   x = 417,354,165.77/23,486.89
6. Step 6: Final answer
   x = 17,769.66