Finding the Fourth Proportional to 674,562.72, 930,896.88 and 372,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   674,562.72 : 930,896.88 = 372,756.72 : x
2. Step 2: Convert to fraction form
   674,562.72/930,896.88 = 372,756.72/x
3. Step 3: Cross multiply
   674,562.72x = 930,896.88 × 372,756.72
4. Step 4: Simplify right side
   674,562.72x = 346,998,067,647.03
5. Step 5: Solve for x
   x = 346,998,067,647.03/674,562.72
6. Step 6: Final answer
   x = 514,404.45