Finding the Fourth Proportional to 2,358,139.98, 3,535,881.17 and 820,430.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358,139.98 : 3,535,881.17 = 820,430.22 : x
2. Step 2: Convert to fraction form
   2,358,139.98/3,535,881.17 = 820,430.22/x
3. Step 3: Cross multiply
   2,358,139.98x = 3,535,881.17 × 820,430.22
4. Step 4: Simplify right side
   2,358,139.98x = 2,900,943,766,196.96
5. Step 5: Solve for x
   x = 2,900,943,766,196.96/2,358,139.98
6. Step 6: Final answer
   x = 1,230,183.02