Finding the Fourth Proportional to 144,303.32, 199,138.83 and 80,641.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,303.32 : 199,138.83 = 80,641.10 : x
2. Step 2: Convert to fraction form
   144,303.32/199,138.83 = 80,641.10/x
3. Step 3: Cross multiply
   144,303.32x = 199,138.83 × 80,641.10
4. Step 4: Simplify right side
   144,303.32x = 16,058,774,801.76
5. Step 5: Solve for x
   x = 16,058,774,801.76/144,303.32
6. Step 6: Final answer
   x = 111,284.86