Finding the Fourth Proportional to 76,923,015.12, 106,149,556.22 and 42,108,971.31

Step by Step Solution

1. Step 1: Write the proportion equation
   76,923,015.12 : 106,149,556.22 = 42,108,971.31 : x
2. Step 2: Convert to fraction form
   76,923,015.12/106,149,556.22 = 42,108,971.31/x
3. Step 3: Cross multiply
   76,923,015.12x = 106,149,556.22 × 42,108,971.31
4. Step 4: Simplify right side
   76,923,015.12x = 4,469,848,617,226,667.50
5. Step 5: Solve for x
   x = 4,469,848,617,226,667.50/76,923,015.12
6. Step 6: Final answer
   x = 58,108,078.71