Finding the Fourth Proportional to 145,383.93, 200,568.15 and 88,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,383.93 : 200,568.15 = 88,762.50 : x
2. Step 2: Convert to fraction form
   145,383.93/200,568.15 = 88,762.50/x
3. Step 3: Cross multiply
   145,383.93x = 200,568.15 × 88,762.50
4. Step 4: Simplify right side
   145,383.93x = 17,802,930,414.38
5. Step 5: Solve for x
   x = 17,802,930,414.38/145,383.93
6. Step 6: Final answer
   x = 122,454.60