Finding the Fourth Proportional to 253,293.37, 380,071.01 and 111,238.49

Step by Step Solution

1. Step 1: Write the proportion equation
   253,293.37 : 380,071.01 = 111,238.49 : x
2. Step 2: Convert to fraction form
   253,293.37/380,071.01 = 111,238.49/x
3. Step 3: Cross multiply
   253,293.37x = 380,071.01 × 111,238.49
4. Step 4: Simplify right side
   253,293.37x = 42,278,526,473.45
5. Step 5: Solve for x
   x = 42,278,526,473.45/253,293.37
6. Step 6: Final answer
   x = 166,915.25