Finding the Fourth Proportional to 271,499.50, 407,307.74 and 81,944

Step by Step Solution

1. Step 1: Write the proportion equation
   271,499.50 : 407,307.74 = 81,944 : x
2. Step 2: Convert to fraction form
   271,499.50/407,307.74 = 81,944/x
3. Step 3: Cross multiply
   271,499.50x = 407,307.74 × 81,944
4. Step 4: Simplify right side
   271,499.50x = 33,376,425,446.56
5. Step 5: Solve for x
   x = 33,376,425,446.56/271,499.50
6. Step 6: Final answer
   x = 122,933.65