Finding the Fourth Proportional to 23,976.33, 35,974.86 and 12,870.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,976.33 : 35,974.86 = 12,870.05 : x
2. Step 2: Convert to fraction form
   23,976.33/35,974.86 = 12,870.05/x
3. Step 3: Cross multiply
   23,976.33x = 35,974.86 × 12,870.05
4. Step 4: Simplify right side
   23,976.33x = 462,998,156.18
5. Step 5: Solve for x
   x = 462,998,156.18/23,976.33
6. Step 6: Final answer
   x = 19,310.64