Finding the Fourth Proportional to 145,976.10, 219,050.55 and 96,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   145,976.10 : 219,050.55 = 96,200.10 : x
2. Step 2: Convert to fraction form
   145,976.10/219,050.55 = 96,200.10/x
3. Step 3: Cross multiply
   145,976.10x = 219,050.55 × 96,200.10
4. Step 4: Simplify right side
   145,976.10x = 21,072,684,815.06
5. Step 5: Solve for x
   x = 21,072,684,815.06/145,976.10
6. Step 6: Final answer
   x = 144,357.09