Finding the Fourth Proportional to 1,580,046.24, 2,179,843.37 and 917,645.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,046.24 : 2,179,843.37 = 917,645.34 : x
2. Step 2: Convert to fraction form
   1,580,046.24/2,179,843.37 = 917,645.34/x
3. Step 3: Cross multiply
   1,580,046.24x = 2,179,843.37 × 917,645.34
4. Step 4: Simplify right side
   1,580,046.24x = 2,000,323,105,822.17
5. Step 5: Solve for x
   x = 2,000,323,105,822.17/1,580,046.24
6. Step 6: Final answer
   x = 1,265,990.23