Finding the Fourth Proportional to 1,403,530.83, 2,105,372.74 and 443,914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,530.83 : 2,105,372.74 = 443,914.72 : x
2. Step 2: Convert to fraction form
   1,403,530.83/2,105,372.74 = 443,914.72/x
3. Step 3: Cross multiply
   1,403,530.83x = 2,105,372.74 × 443,914.72
4. Step 4: Simplify right side
   1,403,530.83x = 934,605,950,372.73
5. Step 5: Solve for x
   x = 934,605,950,372.73/1,403,530.83
6. Step 6: Final answer
   x = 665,896.27