Finding the Fourth Proportional to 8,215,682.89, 12,323,805.42 and 2,824,287.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,215,682.89 : 12,323,805.42 = 2,824,287.25 : x
2. Step 2: Convert to fraction form
   8,215,682.89/12,323,805.42 = 2,824,287.25/x
3. Step 3: Cross multiply
   8,215,682.89x = 12,323,805.42 × 2,824,287.25
4. Step 4: Simplify right side
   8,215,682.89x = 34,805,966,519,186.89
5. Step 5: Solve for x
   x = 34,805,966,519,186.89/8,215,682.89
6. Step 6: Final answer
   x = 4,236,527.50