Finding the Fourth Proportional to 723,697.34, 998,048.82 and 451,790.37

Step by Step Solution

1. Step 1: Write the proportion equation
   723,697.34 : 998,048.82 = 451,790.37 : x
2. Step 2: Convert to fraction form
   723,697.34/998,048.82 = 451,790.37/x
3. Step 3: Cross multiply
   723,697.34x = 998,048.82 × 451,790.37
4. Step 4: Simplify right side
   723,697.34x = 450,908,845,665.86
5. Step 5: Solve for x
   x = 450,908,845,665.86/723,697.34
6. Step 6: Final answer
   x = 623,062.74