Finding the Fourth Proportional to 1,546,819.54, 2,134,578.89 and 858,451.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546,819.54 : 2,134,578.89 = 858,451.43 : x
2. Step 2: Convert to fraction form
   1,546,819.54/2,134,578.89 = 858,451.43/x
3. Step 3: Cross multiply
   1,546,819.54x = 2,134,578.89 × 858,451.43
4. Step 4: Simplify right side
   1,546,819.54x = 1,832,432,308,050.89
5. Step 5: Solve for x
   x = 1,832,432,308,050.89/1,546,819.54
6. Step 6: Final answer
   x = 1,184,645.18