Finding the Fourth Proportional to 6,118,406.72, 9,178,483.24 and 2,279,901.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,118,406.72 : 9,178,483.24 = 2,279,901.76 : x
2. Step 2: Convert to fraction form
   6,118,406.72/9,178,483.24 = 2,279,901.76/x
3. Step 3: Cross multiply
   6,118,406.72x = 9,178,483.24 × 2,279,901.76
4. Step 4: Simplify right side
   6,118,406.72x = 20,926,040,093,006.50
5. Step 5: Solve for x
   x = 20,926,040,093,006.50/6,118,406.72
6. Step 6: Final answer
   x = 3,420,178.01