Finding the Fourth Proportional to 2,617,632.56, 3,926,334.63 and 820,475.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617,632.56 : 3,926,334.63 = 820,475.03 : x
2. Step 2: Convert to fraction form
   2,617,632.56/3,926,334.63 = 820,475.03/x
3. Step 3: Cross multiply
   2,617,632.56x = 3,926,334.63 × 820,475.03
4. Step 4: Simplify right side
   2,617,632.56x = 3,221,459,523,339.29
5. Step 5: Solve for x
   x = 3,221,459,523,339.29/2,617,632.56
6. Step 6: Final answer
   x = 1,230,676.75