Finding the Fourth Proportional to 723,994.56, 999,097.25 and 401,697.72

Step by Step Solution

1. Step 1: Write the proportion equation
   723,994.56 : 999,097.25 = 401,697.72 : x
2. Step 2: Convert to fraction form
   723,994.56/999,097.25 = 401,697.72/x
3. Step 3: Cross multiply
   723,994.56x = 999,097.25 × 401,697.72
4. Step 4: Simplify right side
   723,994.56x = 401,335,085,374.78
5. Step 5: Solve for x
   x = 401,335,085,374.78/723,994.56
6. Step 6: Final answer
   x = 554,334.39