Finding the Fourth Proportional to 2,140,241.22, 2,953,556.91 and 1,222,591.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,241.22 : 2,953,556.91 = 1,222,591.86 : x
2. Step 2: Convert to fraction form
   2,140,241.22/2,953,556.91 = 1,222,591.86/x
3. Step 3: Cross multiply
   2,140,241.22x = 2,953,556.91 × 1,222,591.86
4. Step 4: Simplify right side
   2,140,241.22x = 3,610,994,636,212.75
5. Step 5: Solve for x
   x = 3,610,994,636,212.75/2,140,241.22
6. Step 6: Final answer
   x = 1,687,190.49