Finding the Fourth Proportional to 7,523,990.79, 10,383,168.30 and 4,086,256.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,523,990.79 : 10,383,168.30 = 4,086,256.42 : x
2. Step 2: Convert to fraction form
   7,523,990.79/10,383,168.30 = 4,086,256.42/x
3. Step 3: Cross multiply
   7,523,990.79x = 10,383,168.30 × 4,086,256.42
4. Step 4: Simplify right side
   7,523,990.79x = 42,428,288,125,815.48
5. Step 5: Solve for x
   x = 42,428,288,125,815.48/7,523,990.79
6. Step 6: Final answer
   x = 5,639,066.99