Finding the Fourth Proportional to 2,946,308, 4,419,449.76 and 816,386

Step by Step Solution

1. Step 1: Write the proportion equation
   2,946,308 : 4,419,449.76 = 816,386 : x
2. Step 2: Convert to fraction form
   2,946,308/4,419,449.76 = 816,386/x
3. Step 3: Cross multiply
   2,946,308x = 4,419,449.76 × 816,386
4. Step 4: Simplify right side
   2,946,308x = 3,607,976,911,767.36
5. Step 5: Solve for x
   x = 3,607,976,911,767.36/2,946,308
6. Step 6: Final answer
   x = 1,224,575.61