Finding the Fourth Proportional to 202,250.37, 279,106.35 and 111,609

Step by Step Solution

1. Step 1: Write the proportion equation
   202,250.37 : 279,106.35 = 111,609 : x
2. Step 2: Convert to fraction form
   202,250.37/279,106.35 = 111,609/x
3. Step 3: Cross multiply
   202,250.37x = 279,106.35 × 111,609
4. Step 4: Simplify right side
   202,250.37x = 31,150,780,617.15
5. Step 5: Solve for x
   x = 31,150,780,617.15/202,250.37
6. Step 6: Final answer
   x = 154,020.88