Finding the Fourth Proportional to 23,870.82, 35,816.35 and 12,774.63

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870.82 : 35,816.35 = 12,774.63 : x
2. Step 2: Convert to fraction form
   23,870.82/35,816.35 = 12,774.63/x
3. Step 3: Cross multiply
   23,870.82x = 35,816.35 × 12,774.63
4. Step 4: Simplify right side
   23,870.82x = 457,540,619.20
5. Step 5: Solve for x
   x = 457,540,619.20/23,870.82
6. Step 6: Final answer
   x = 19,167.36