Finding the Fourth Proportional to 2,499,565, 3,749,986.86 and 726,637

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,565 : 3,749,986.86 = 726,637 : x
2. Step 2: Convert to fraction form
   2,499,565/3,749,986.86 = 726,637/x
3. Step 3: Cross multiply
   2,499,565x = 3,749,986.86 × 726,637
4. Step 4: Simplify right side
   2,499,565x = 2,724,879,201,989.82
5. Step 5: Solve for x
   x = 2,724,879,201,989.82/2,499,565
6. Step 6: Final answer
   x = 1,090,141.37