Finding the Fourth Proportional to 189,978,752.79, 262,171,183.55 and 103,058,624.79

Step by Step Solution

1. Step 1: Write the proportion equation
   189,978,752.79 : 262,171,183.55 = 103,058,624.79 : x
2. Step 2: Convert to fraction form
   189,978,752.79/262,171,183.55 = 103,058,624.79/x
3. Step 3: Cross multiply
   189,978,752.79x = 262,171,183.55 × 103,058,624.79
4. Step 4: Simplify right side
   189,978,752.79x = 27,019,001,635,714,376
5. Step 5: Solve for x
   x = 27,019,001,635,714,376/189,978,752.79
6. Step 6: Final answer
   x = 142,221,175.99