Finding the Fourth Proportional to 2,508,128.72, 3,461,101.80 and 1,420,408.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508,128.72 : 3,461,101.80 = 1,420,408.08 : x
2. Step 2: Convert to fraction form
   2,508,128.72/3,461,101.80 = 1,420,408.08/x
3. Step 3: Cross multiply
   2,508,128.72x = 3,461,101.80 × 1,420,408.08
4. Step 4: Simplify right side
   2,508,128.72x = 4,916,176,969,952.81
5. Step 5: Solve for x
   x = 4,916,176,969,952.81/2,508,128.72
6. Step 6: Final answer
   x = 1,960,097.56