Finding the Fourth Proportional to 23,077.56, 31,845.06 and 13,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,077.56 : 31,845.06 = 13,002.72 : x
2. Step 2: Convert to fraction form
   23,077.56/31,845.06 = 13,002.72/x
3. Step 3: Cross multiply
   23,077.56x = 31,845.06 × 13,002.72
4. Step 4: Simplify right side
   23,077.56x = 414,072,398.56
5. Step 5: Solve for x
   x = 414,072,398.56/23,077.56
6. Step 6: Final answer
   x = 17,942.64