Finding the Fourth Proportional to 2,158,399.58, 2,978,600.94 and 1,191,537.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,399.58 : 2,978,600.94 = 1,191,537.82 : x
2. Step 2: Convert to fraction form
   2,158,399.58/2,978,600.94 = 1,191,537.82/x
3. Step 3: Cross multiply
   2,158,399.58x = 2,978,600.94 × 1,191,537.82
4. Step 4: Simplify right side
   2,158,399.58x = 3,549,115,664,367.83
5. Step 5: Solve for x
   x = 3,549,115,664,367.83/2,158,399.58
6. Step 6: Final answer
   x = 1,644,327.44