Finding the Fourth Proportional to 814,404.87, 1,123,994.84 and 470,171.98

Step by Step Solution

1. Step 1: Write the proportion equation
   814,404.87 : 1,123,994.84 = 470,171.98 : x
2. Step 2: Convert to fraction form
   814,404.87/1,123,994.84 = 470,171.98/x
3. Step 3: Cross multiply
   814,404.87x = 1,123,994.84 × 470,171.98
4. Step 4: Simplify right side
   814,404.87x = 528,470,879,432.58
5. Step 5: Solve for x
   x = 528,470,879,432.58/814,404.87
6. Step 6: Final answer
   x = 648,904.37