Finding the Fourth Proportional to 188,362.21, 259,938.61 and 102,320.41

Step by Step Solution

1. Step 1: Write the proportion equation
   188,362.21 : 259,938.61 = 102,320.41 : x
2. Step 2: Convert to fraction form
   188,362.21/259,938.61 = 102,320.41/x
3. Step 3: Cross multiply
   188,362.21x = 259,938.61 × 102,320.41
4. Step 4: Simplify right side
   188,362.21x = 26,597,025,150.03
5. Step 5: Solve for x
   x = 26,597,025,150.03/188,362.21
6. Step 6: Final answer
   x = 141,201.49