Finding the Fourth Proportional to 3,989,885.16, 5,506,076.58 and 2,271,116.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,989,885.16 : 5,506,076.58 = 2,271,116.28 : x
2. Step 2: Convert to fraction form
   3,989,885.16/5,506,076.58 = 2,271,116.28/x
3. Step 3: Cross multiply
   3,989,885.16x = 5,506,076.58 × 2,271,116.28
4. Step 4: Simplify right side
   3,989,885.16x = 12,504,940,159,764.72
5. Step 5: Solve for x
   x = 12,504,940,159,764.72/3,989,885.16
6. Step 6: Final answer
   x = 3,134,160.42