Finding the Fourth Proportional to 21,964.41, 30,298.53 and 13,895.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,964.41 : 30,298.53 = 13,895.58 : x
2. Step 2: Convert to fraction form
   21,964.41/30,298.53 = 13,895.58/x
3. Step 3: Cross multiply
   21,964.41x = 30,298.53 × 13,895.58
4. Step 4: Simplify right side
   21,964.41x = 421,015,647.50
5. Step 5: Solve for x
   x = 421,015,647.50/21,964.41
6. Step 6: Final answer
   x = 19,168.08