Finding the Fourth Proportional to 49,036,496.54, 67,670,364.96 and 28,421,900.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,036,496.54 : 67,670,364.96 = 28,421,900.12 : x
2. Step 2: Convert to fraction form
   49,036,496.54/67,670,364.96 = 28,421,900.12/x
3. Step 3: Cross multiply
   49,036,496.54x = 67,670,364.96 × 28,421,900.12
4. Step 4: Simplify right side
   49,036,496.54x = 1,923,320,353,977,067.75
5. Step 5: Solve for x
   x = 1,923,320,353,977,067.75/49,036,496.54
6. Step 6: Final answer
   x = 39,222,222.01