Finding the Fourth Proportional to 23,178.32, 31,986.05 and 12,567.93

Step by Step Solution

1. Step 1: Write the proportion equation
   23,178.32 : 31,986.05 = 12,567.93 : x
2. Step 2: Convert to fraction form
   23,178.32/31,986.05 = 12,567.93/x
3. Step 3: Cross multiply
   23,178.32x = 31,986.05 × 12,567.93
4. Step 4: Simplify right side
   23,178.32x = 401,998,374.54
5. Step 5: Solve for x
   x = 401,998,374.54/23,178.32
6. Step 6: Final answer
   x = 17,343.73