Finding the Fourth Proportional to 120,326,940, 166,053,189.24 and 65,322,796.32

Step by Step Solution

1. Step 1: Write the proportion equation
   120,326,940 : 166,053,189.24 = 65,322,796.32 : x
2. Step 2: Convert to fraction form
   120,326,940/166,053,189.24 = 65,322,796.32/x
3. Step 3: Cross multiply
   120,326,940x = 166,053,189.24 × 65,322,796.32
4. Step 4: Simplify right side
   120,326,940x = 10,847,058,659,010,936
5. Step 5: Solve for x
   x = 10,847,058,659,010,936/120,326,940
6. Step 6: Final answer
   x = 90,146,551.21