Finding the Fourth Proportional to 676,499.37, 1,014,796.40 and 271,691.61

Step by Step Solution

1. Step 1: Write the proportion equation
   676,499.37 : 1,014,796.40 = 271,691.61 : x
2. Step 2: Convert to fraction form
   676,499.37/1,014,796.40 = 271,691.61/x
3. Step 3: Cross multiply
   676,499.37x = 1,014,796.40 × 271,691.61
4. Step 4: Simplify right side
   676,499.37x = 275,711,666,379.75
5. Step 5: Solve for x
   x = 275,711,666,379.75/676,499.37
6. Step 6: Final answer
   x = 407,556.43