Finding the Fourth Proportional to 23,381.55, 35,075.49 and 7,581.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,381.55 : 35,075.49 = 7,581.42 : x
2. Step 2: Convert to fraction form
   23,381.55/35,075.49 = 7,581.42/x
3. Step 3: Cross multiply
   23,381.55x = 35,075.49 × 7,581.42
4. Step 4: Simplify right side
   23,381.55x = 265,922,021.40
5. Step 5: Solve for x
   x = 265,922,021.40/23,381.55
6. Step 6: Final answer
   x = 11,373.16