Finding the Fourth Proportional to 202,568.37, 279,560.72 and 111,932.28

Step by Step Solution

1. Step 1: Write the proportion equation
   202,568.37 : 279,560.72 = 111,932.28 : x
2. Step 2: Convert to fraction form
   202,568.37/279,560.72 = 111,932.28/x
3. Step 3: Cross multiply
   202,568.37x = 279,560.72 × 111,932.28
4. Step 4: Simplify right side
   202,568.37x = 31,291,868,788.04
5. Step 5: Solve for x
   x = 31,291,868,788.04/202,568.37
6. Step 6: Final answer
   x = 154,475.59