Finding the Fourth Proportional to 2,108,448.63, 3,162,672.98 and 511,011.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,448.63 : 3,162,672.98 = 511,011.72 : x
2. Step 2: Convert to fraction form
   2,108,448.63/3,162,672.98 = 511,011.72/x
3. Step 3: Cross multiply
   2,108,448.63x = 3,162,672.98 × 511,011.72
4. Step 4: Simplify right side
   2,108,448.63x = 1,616,162,959,307.33
5. Step 5: Solve for x
   x = 1,616,162,959,307.33/2,108,448.63
6. Step 6: Final answer
   x = 766,517.59