Finding the Fourth Proportional to 42,923,238,023.37, 64,391,850,852.89 and 12,673,434,575.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,923,238,023.37 : 64,391,850,852.89 = 12,673,434,575.97 : x
2. Step 2: Convert to fraction form
   42,923,238,023.37/64,391,850,852.89 = 12,673,434,575.97/x
3. Step 3: Cross multiply
   42,923,238,023.37x = 64,391,850,852.89 × 12,673,434,575.97
4. Step 4: Simplify right side
   42,923,238,023.37x = 816,065,909,009,656,053,760
5. Step 5: Solve for x
   x = 816,065,909,009,656,053,760/42,923,238,023.37
6. Step 6: Final answer
   x = 19,012,216,845.46