Finding the Fourth Proportional to 2,434,636, 3,651,240 and 917,224

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434,636 : 3,651,240 = 917,224 : x
2. Step 2: Convert to fraction form
   2,434,636/3,651,240 = 917,224/x
3. Step 3: Cross multiply
   2,434,636x = 3,651,240 × 917,224
4. Step 4: Simplify right side
   2,434,636x = 3,349,004,957,760
5. Step 5: Solve for x
   x = 3,349,004,957,760/2,434,636
6. Step 6: Final answer
   x = 1,375,567.01