Finding the Fourth Proportional to 145,147.72, 200,325.72 and 88,591.96

Step by Step Solution

1. Step 1: Write the proportion equation
   145,147.72 : 200,325.72 = 88,591.96 : x
2. Step 2: Convert to fraction form
   145,147.72/200,325.72 = 88,591.96/x
3. Step 3: Cross multiply
   145,147.72x = 200,325.72 × 88,591.96
4. Step 4: Simplify right side
   145,147.72x = 17,747,248,173.21
5. Step 5: Solve for x
   x = 17,747,248,173.21/145,147.72
6. Step 6: Final answer
   x = 122,270.25