Finding the Fourth Proportional to 13,766.69, 18,978.03 and 10,176.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,766.69 : 18,978.03 = 10,176.35 : x
2. Step 2: Convert to fraction form
   13,766.69/18,978.03 = 10,176.35/x
3. Step 3: Cross multiply
   13,766.69x = 18,978.03 × 10,176.35
4. Step 4: Simplify right side
   13,766.69x = 193,127,075.59
5. Step 5: Solve for x
   x = 193,127,075.59/13,766.69
6. Step 6: Final answer
   x = 14,028.58