Finding the Fourth Proportional to 23,419.84, 35,131.59 and 6,780.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,419.84 : 35,131.59 = 6,780.12 : x
2. Step 2: Convert to fraction form
   23,419.84/35,131.59 = 6,780.12/x
3. Step 3: Cross multiply
   23,419.84x = 35,131.59 × 6,780.12
4. Step 4: Simplify right side
   23,419.84x = 238,196,395.99
5. Step 5: Solve for x
   x = 238,196,395.99/23,419.84
6. Step 6: Final answer
   x = 10,170.71