Finding the Fourth Proportional to 23,148.45, 31,944.71 and 13,080.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,148.45 : 31,944.71 = 13,080.15 : x
2. Step 2: Convert to fraction form
   23,148.45/31,944.71 = 13,080.15/x
3. Step 3: Cross multiply
   23,148.45x = 31,944.71 × 13,080.15
4. Step 4: Simplify right side
   23,148.45x = 417,841,533.11
5. Step 5: Solve for x
   x = 417,841,533.11/23,148.45
6. Step 6: Final answer
   x = 18,050.52