Finding the Fourth Proportional to 189,978,756.79, 262,171,189.07 and 103,058,628.79

Step by Step Solution

1. Step 1: Write the proportion equation
   189,978,756.79 : 262,171,189.07 = 103,058,628.79 : x
2. Step 2: Convert to fraction form
   189,978,756.79/262,171,189.07 = 103,058,628.79/x
3. Step 3: Cross multiply
   189,978,756.79x = 262,171,189.07 × 103,058,628.79
4. Step 4: Simplify right side
   189,978,756.79x = 27,019,003,253,798,036
5. Step 5: Solve for x
   x = 27,019,003,253,798,036/189,978,756.79
6. Step 6: Final answer
   x = 142,221,181.52