Finding the Fourth Proportional to 145,148.72, 200,327.10 and 88,592.96

Step by Step Solution

1. Step 1: Write the proportion equation
   145,148.72 : 200,327.10 = 88,592.96 : x
2. Step 2: Convert to fraction form
   145,148.72/200,327.10 = 88,592.96/x
3. Step 3: Cross multiply
   145,148.72x = 200,327.10 × 88,592.96
4. Step 4: Simplify right side
   145,148.72x = 17,747,570,757.22
5. Step 5: Solve for x
   x = 17,747,570,757.22/145,148.72
6. Step 6: Final answer
   x = 122,271.63