Finding the Fourth Proportional to 2,108,256, 3,162,471.48 and 612,348

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,256 : 3,162,471.48 = 612,348 : x
2. Step 2: Convert to fraction form
   2,108,256/3,162,471.48 = 612,348/x
3. Step 3: Cross multiply
   2,108,256x = 3,162,471.48 × 612,348
4. Step 4: Simplify right side
   2,108,256x = 1,936,533,085,835.04
5. Step 5: Solve for x
   x = 1,936,533,085,835.04/2,108,256
6. Step 6: Final answer
   x = 918,547.41