Finding the Fourth Proportional to 145,529.76, 200,826.72 and 88,203

Step by Step Solution

1. Step 1: Write the proportion equation
   145,529.76 : 200,826.72 = 88,203 : x
2. Step 2: Convert to fraction form
   145,529.76/200,826.72 = 88,203/x
3. Step 3: Cross multiply
   145,529.76x = 200,826.72 × 88,203
4. Step 4: Simplify right side
   145,529.76x = 17,713,519,184.16
5. Step 5: Solve for x
   x = 17,713,519,184.16/145,529.76
6. Step 6: Final answer
   x = 121,717.50