Finding the Fourth Proportional to 2,146,578.88, 3,219,978.62 and 549,155.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,578.88 : 3,219,978.62 = 549,155.84 : x
2. Step 2: Convert to fraction form
   2,146,578.88/3,219,978.62 = 549,155.84/x
3. Step 3: Cross multiply
   2,146,578.88x = 3,219,978.62 × 549,155.84
4. Step 4: Simplify right side
   2,146,578.88x = 1,768,270,063,848.14
5. Step 5: Solve for x
   x = 1,768,270,063,848.14/2,146,578.88
6. Step 6: Final answer
   x = 823,761.98