Finding the Fourth Proportional to 23,145.99, 31,944.06 and 13,075.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.99 : 31,944.06 = 13,075.08 : x
2. Step 2: Convert to fraction form
   23,145.99/31,944.06 = 13,075.08/x
3. Step 3: Cross multiply
   23,145.99x = 31,944.06 × 13,075.08
4. Step 4: Simplify right side
   23,145.99x = 417,671,020.23
5. Step 5: Solve for x
   x = 417,671,020.23/23,145.99
6. Step 6: Final answer
   x = 18,045.07