Finding the Fourth Proportional to 2,131,003.19, 3,197,765.91 and 784,111.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,003.19 : 3,197,765.91 = 784,111.65 : x
2. Step 2: Convert to fraction form
   2,131,003.19/3,197,765.91 = 784,111.65/x
3. Step 3: Cross multiply
   2,131,003.19x = 3,197,765.91 × 784,111.65
4. Step 4: Simplify right side
   2,131,003.19x = 2,507,405,504,003.85
5. Step 5: Solve for x
   x = 2,507,405,504,003.85/2,131,003.19
6. Step 6: Final answer
   x = 1,176,631.51