Finding the Fourth Proportional to 189,061.32, 260,910.18 and 104,183.85

Step by Step Solution

1. Step 1: Write the proportion equation
   189,061.32 : 260,910.18 = 104,183.85 : x
2. Step 2: Convert to fraction form
   189,061.32/260,910.18 = 104,183.85/x
3. Step 3: Cross multiply
   189,061.32x = 260,910.18 × 104,183.85
4. Step 4: Simplify right side
   189,061.32x = 27,182,627,056.59
5. Step 5: Solve for x
   x = 27,182,627,056.59/189,061.32
6. Step 6: Final answer
   x = 143,776.78