Finding the Fourth Proportional to 2,657,080.62, 3,986,288.49 and 763,825.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,657,080.62 : 3,986,288.49 = 763,825.50 : x
2. Step 2: Convert to fraction form
   2,657,080.62/3,986,288.49 = 763,825.50/x
3. Step 3: Cross multiply
   2,657,080.62x = 3,986,288.49 × 763,825.50
4. Step 4: Simplify right side
   2,657,080.62x = 3,044,828,799,018.50
5. Step 5: Solve for x
   x = 3,044,828,799,018.50/2,657,080.62
6. Step 6: Final answer
   x = 1,145,930.15