Finding the Fourth Proportional to 23,777.84, 32,815.86 and 13,706.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,777.84 : 32,815.86 = 13,706.72 : x
2. Step 2: Convert to fraction form
   23,777.84/32,815.86 = 13,706.72/x
3. Step 3: Cross multiply
   23,777.84x = 32,815.86 × 13,706.72
4. Step 4: Simplify right side
   23,777.84x = 449,797,804.58
5. Step 5: Solve for x
   x = 449,797,804.58/23,777.84
6. Step 6: Final answer
   x = 18,916.68