Finding the Fourth Proportional to 145,900.63, 201,342.81 and 78,832.63

Step by Step Solution

1. Step 1: Write the proportion equation
   145,900.63 : 201,342.81 = 78,832.63 : x
2. Step 2: Convert to fraction form
   145,900.63/201,342.81 = 78,832.63/x
3. Step 3: Cross multiply
   145,900.63x = 201,342.81 × 78,832.63
4. Step 4: Simplify right side
   145,900.63x = 15,872,383,243.89
5. Step 5: Solve for x
   x = 15,872,383,243.89/145,900.63
6. Step 6: Final answer
   x = 108,789.00