Finding the Fourth Proportional to 19,923.77, 27,494.98 and 10,971.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,923.77 : 27,494.98 = 10,971.59 : x
2. Step 2: Convert to fraction form
   19,923.77/27,494.98 = 10,971.59/x
3. Step 3: Cross multiply
   19,923.77x = 27,494.98 × 10,971.59
4. Step 4: Simplify right side
   19,923.77x = 301,663,524.02
5. Step 5: Solve for x
   x = 301,663,524.02/19,923.77
6. Step 6: Final answer
   x = 15,140.89