Finding the Fourth Proportional to 2,525,119.83, 3,788,211.69 and 819,129.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525,119.83 : 3,788,211.69 = 819,129.91 : x
2. Step 2: Convert to fraction form
   2,525,119.83/3,788,211.69 = 819,129.91/x
3. Step 3: Cross multiply
   2,525,119.83x = 3,788,211.69 × 819,129.91
4. Step 4: Simplify right side
   2,525,119.83x = 3,103,037,500,690.65
5. Step 5: Solve for x
   x = 3,103,037,500,690.65/2,525,119.83
6. Step 6: Final answer
   x = 1,228,867.42