Finding the Fourth Proportional to 76,277,189.54, 105,284,923.55 and 49,819,588.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,277,189.54 : 105,284,923.55 = 49,819,588.10 : x
2. Step 2: Convert to fraction form
   76,277,189.54/105,284,923.55 = 49,819,588.10/x
3. Step 3: Cross multiply
   76,277,189.54x = 105,284,923.55 × 49,819,588.10
4. Step 4: Simplify right side
   76,277,189.54x = 5,245,251,524,487,096
5. Step 5: Solve for x
   x = 5,245,251,524,487,096/76,277,189.54
6. Step 6: Final answer
   x = 68,765,663.18