Finding the Fourth Proportional to 23,168.84, 31,973.03 and 12,558.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.84 : 31,973.03 = 12,558.49 : x
2. Step 2: Convert to fraction form
   23,168.84/31,973.03 = 12,558.49/x
3. Step 3: Cross multiply
   23,168.84x = 31,973.03 × 12,558.49
4. Step 4: Simplify right side
   23,168.84x = 401,533,061.74
5. Step 5: Solve for x
   x = 401,533,061.74/23,168.84
6. Step 6: Final answer
   x = 17,330.74