Finding the Fourth Proportional to 23,177.42, 31,984.88 and 12,567.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,177.42 : 31,984.88 = 12,567.05 : x
2. Step 2: Convert to fraction form
   23,177.42/31,984.88 = 12,567.05/x
3. Step 3: Cross multiply
   23,177.42x = 31,984.88 × 12,567.05
4. Step 4: Simplify right side
   23,177.42x = 401,955,483.39
5. Step 5: Solve for x
   x = 401,955,483.39/23,177.42
6. Step 6: Final answer
   x = 17,342.55