Finding the Fourth Proportional to 1,456,790.51, 2,185,385.19 and 496,988.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,790.51 : 2,185,385.19 = 496,988.42 : x
2. Step 2: Convert to fraction form
   1,456,790.51/2,185,385.19 = 496,988.42/x
3. Step 3: Cross multiply
   1,456,790.51x = 2,185,385.19 × 496,988.42
4. Step 4: Simplify right side
   1,456,790.51x = 1,086,111,132,669.50
5. Step 5: Solve for x
   x = 1,086,111,132,669.50/1,456,790.51
6. Step 6: Final answer
   x = 745,550.66