Finding the Fourth Proportional to 5,629,456.72, 7,768,524.90 and 3,181,742.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,629,456.72 : 7,768,524.90 = 3,181,742.20 : x
2. Step 2: Convert to fraction form
   5,629,456.72/7,768,524.90 = 3,181,742.20/x
3. Step 3: Cross multiply
   5,629,456.72x = 7,768,524.90 × 3,181,742.20
4. Step 4: Simplify right side
   5,629,456.72x = 24,717,443,506,080.78
5. Step 5: Solve for x
   x = 24,717,443,506,080.78/5,629,456.72
6. Step 6: Final answer
   x = 4,390,733.38