Finding the Fourth Proportional to 1,131,850, 1,562,174.88 and 648,739

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,850 : 1,562,174.88 = 648,739 : x
2. Step 2: Convert to fraction form
   1,131,850/1,562,174.88 = 648,739/x
3. Step 3: Cross multiply
   1,131,850x = 1,562,174.88 × 648,739
4. Step 4: Simplify right side
   1,131,850x = 1,013,443,769,476.32
5. Step 5: Solve for x
   x = 1,013,443,769,476.32/1,131,850
6. Step 6: Final answer
   x = 895,386.99