Finding the Fourth Proportional to 3,131,385.42, 4,321,238.54 and 1,842,308.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131,385.42 : 4,321,238.54 = 1,842,308.69 : x
2. Step 2: Convert to fraction form
   3,131,385.42/4,321,238.54 = 1,842,308.69/x
3. Step 3: Cross multiply
   3,131,385.42x = 4,321,238.54 × 1,842,308.69
4. Step 4: Simplify right side
   3,131,385.42x = 7,961,055,329,213.78
5. Step 5: Solve for x
   x = 7,961,055,329,213.78/3,131,385.42
6. Step 6: Final answer
   x = 2,542,342.85