Finding the Fourth Proportional to 19,700.62, 27,054.71 and 16,868.15

Step by Step Solution

1. Step 1: Write the proportion equation
   19,700.62 : 27,054.71 = 16,868.15 : x
2. Step 2: Convert to fraction form
   19,700.62/27,054.71 = 16,868.15/x
3. Step 3: Cross multiply
   19,700.62x = 27,054.71 × 16,868.15
4. Step 4: Simplify right side
   19,700.62x = 456,362,851.58
5. Step 5: Solve for x
   x = 456,362,851.58/19,700.62
6. Step 6: Final answer
   x = 23,164.90