Finding the Fourth Proportional to 23,168.96, 31,972.86 and 12,558.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.96 : 31,972.86 = 12,558.52 : x
2. Step 2: Convert to fraction form
   23,168.96/31,972.86 = 12,558.52/x
3. Step 3: Cross multiply
   23,168.96x = 31,972.86 × 12,558.52
4. Step 4: Simplify right side
   23,168.96x = 401,531,801.77
5. Step 5: Solve for x
   x = 401,531,801.77/23,168.96
6. Step 6: Final answer
   x = 17,330.59