Finding the Fourth Proportional to 19,666.63, 27,116.35 and 16,068.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,666.63 : 27,116.35 = 16,068.25 : x
2. Step 2: Convert to fraction form
   19,666.63/27,116.35 = 16,068.25/x
3. Step 3: Cross multiply
   19,666.63x = 27,116.35 × 16,068.25
4. Step 4: Simplify right side
   19,666.63x = 435,712,290.89
5. Step 5: Solve for x
   x = 435,712,290.89/19,666.63
6. Step 6: Final answer
   x = 22,154.90