Finding the Fourth Proportional to 145,282.50, 200,443.77 and 88,665.54

Step by Step Solution

1. Step 1: Write the proportion equation
   145,282.50 : 200,443.77 = 88,665.54 : x
2. Step 2: Convert to fraction form
   145,282.50/200,443.77 = 88,665.54/x
3. Step 3: Cross multiply
   145,282.50x = 200,443.77 × 88,665.54
4. Step 4: Simplify right side
   145,282.50x = 17,772,455,106.69
5. Step 5: Solve for x
   x = 17,772,455,106.69/145,282.50
6. Step 6: Final answer
   x = 122,330.32