Finding the Fourth Proportional to 1,456,789.51, 2,185,383.69 and 496,987.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,789.51 : 2,185,383.69 = 496,987.42 : x
2. Step 2: Convert to fraction form
   1,456,789.51/2,185,383.69 = 496,987.42/x
3. Step 3: Cross multiply
   1,456,789.51x = 2,185,383.69 × 496,987.42
4. Step 4: Simplify right side
   1,456,789.51x = 1,086,108,203,956.24
5. Step 5: Solve for x
   x = 1,086,108,203,956.24/1,456,789.51
6. Step 6: Final answer
   x = 745,549.17