Finding the Fourth Proportional to 103,238.72, 154,884.72 and 33,118.64

Step by Step Solution

1. Step 1: Write the proportion equation
   103,238.72 : 154,884.72 = 33,118.64 : x
2. Step 2: Convert to fraction form
   103,238.72/154,884.72 = 33,118.64/x
3. Step 3: Cross multiply
   103,238.72x = 154,884.72 × 33,118.64
4. Step 4: Simplify right side
   103,238.72x = 5,129,571,283.18
5. Step 5: Solve for x
   x = 5,129,571,283.18/103,238.72
6. Step 6: Final answer
   x = 49,686.51