Finding the Fourth Proportional to 2,139,742.22, 2,953,146.78 and 1,324,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,742.22 : 2,953,146.78 = 1,324,208.72 : x
2. Step 2: Convert to fraction form
   2,139,742.22/2,953,146.78 = 1,324,208.72/x
3. Step 3: Cross multiply
   2,139,742.22x = 2,953,146.78 × 1,324,208.72
4. Step 4: Simplify right side
   2,139,742.22x = 3,910,582,717,515.92
5. Step 5: Solve for x
   x = 3,910,582,717,515.92/2,139,742.22
6. Step 6: Final answer
   x = 1,827,595.25