Finding the Fourth Proportional to 2,499,736.11, 3,749,798.55 and 817,009.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,736.11 : 3,749,798.55 = 817,009.71 : x
2. Step 2: Convert to fraction form
   2,499,736.11/3,749,798.55 = 817,009.71/x
3. Step 3: Cross multiply
   2,499,736.11x = 3,749,798.55 × 817,009.71
4. Step 4: Simplify right side
   2,499,736.11x = 3,063,621,825,893.92
5. Step 5: Solve for x
   x = 3,063,621,825,893.92/2,499,736.11
6. Step 6: Final answer
   x = 1,225,578.10