Finding the Fourth Proportional to 4,016,665.31, 5,542,980.59 and 2,181,108.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,016,665.31 : 5,542,980.59 = 2,181,108.78 : x
2. Step 2: Convert to fraction form
   4,016,665.31/5,542,980.59 = 2,181,108.78/x
3. Step 3: Cross multiply
   4,016,665.31x = 5,542,980.59 × 2,181,108.78
4. Step 4: Simplify right side
   4,016,665.31x = 12,089,843,632,218.58
5. Step 5: Solve for x
   x = 12,089,843,632,218.58/4,016,665.31
6. Step 6: Final answer
   x = 3,009,920.59