Finding the Fourth Proportional to 49,178,363.88, 67,803,057.80 and 40,325,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,178,363.88 : 67,803,057.80 = 40,325,196.72 : x
2. Step 2: Convert to fraction form
   49,178,363.88/67,803,057.80 = 40,325,196.72/x
3. Step 3: Cross multiply
   49,178,363.88x = 67,803,057.80 × 40,325,196.72
4. Step 4: Simplify right side
   49,178,363.88x = 2,734,171,644,002,530
5. Step 5: Solve for x
   x = 2,734,171,644,002,530/49,178,363.88
6. Step 6: Final answer
   x = 55,597,043.66