Finding the Fourth Proportional to 4,897,401.90, 7,347,139.65 and 1,485,408.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,897,401.90 : 7,347,139.65 = 1,485,408.30 : x
2. Step 2: Convert to fraction form
   4,897,401.90/7,347,139.65 = 1,485,408.30/x
3. Step 3: Cross multiply
   4,897,401.90x = 7,347,139.65 × 1,485,408.30
4. Step 4: Simplify right side
   4,897,401.90x = 10,913,502,217,369.10
5. Step 5: Solve for x
   x = 10,913,502,217,369.10/4,897,401.90
6. Step 6: Final answer
   x = 2,228,426.92