Finding the Fourth Proportional to 82,141.06, 123,211.32 and 19,811.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,141.06 : 123,211.32 = 19,811.56 : x
2. Step 2: Convert to fraction form
   82,141.06/123,211.32 = 19,811.56/x
3. Step 3: Cross multiply
   82,141.06x = 123,211.32 × 19,811.56
4. Step 4: Simplify right side
   82,141.06x = 2,441,008,458.86
5. Step 5: Solve for x
   x = 2,441,008,458.86/82,141.06
6. Step 6: Final answer
   x = 29,717.27