Finding the Fourth Proportional to 23,072.33, 31,842.84 and 13,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,072.33 : 31,842.84 = 13,002.72 : x
2. Step 2: Convert to fraction form
   23,072.33/31,842.84 = 13,002.72/x
3. Step 3: Cross multiply
   23,072.33x = 31,842.84 × 13,002.72
4. Step 4: Simplify right side
   23,072.33x = 414,043,532.52
5. Step 5: Solve for x
   x = 414,043,532.52/23,072.33
6. Step 6: Final answer
   x = 17,945.46