Finding the Fourth Proportional to 145,395, 200,648.34 and 88,837.56

Step by Step Solution

1. Step 1: Write the proportion equation
   145,395 : 200,648.34 = 88,837.56 : x
2. Step 2: Convert to fraction form
   145,395/200,648.34 = 88,837.56/x
3. Step 3: Cross multiply
   145,395x = 200,648.34 × 88,837.56
4. Step 4: Simplify right side
   145,395x = 17,825,108,943.65
5. Step 5: Solve for x
   x = 17,825,108,943.65/145,395
6. Step 6: Final answer
   x = 122,597.81