Finding the Fourth Proportional to 23,558.88, 32,511.72 and 12,948.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,558.88 : 32,511.72 = 12,948.96 : x
2. Step 2: Convert to fraction form
   23,558.88/32,511.72 = 12,948.96/x
3. Step 3: Cross multiply
   23,558.88x = 32,511.72 × 12,948.96
4. Step 4: Simplify right side
   23,558.88x = 420,992,961.81
5. Step 5: Solve for x
   x = 420,992,961.81/23,558.88
6. Step 6: Final answer
   x = 17,869.82