Finding the Fourth Proportional to 471,100.83, 705,018.29 and 451,505.31

Step by Step Solution

1. Step 1: Write the proportion equation
   471,100.83 : 705,018.29 = 451,505.31 : x
2. Step 2: Convert to fraction form
   471,100.83/705,018.29 = 451,505.31/x
3. Step 3: Cross multiply
   471,100.83x = 705,018.29 × 451,505.31
4. Step 4: Simplify right side
   471,100.83x = 318,319,499,324.59
5. Step 5: Solve for x
   x = 318,319,499,324.59/471,100.83
6. Step 6: Final answer
   x = 675,692.93