Finding the Fourth Proportional to 103,788, 155,691.72 and 33,648.48

Step by Step Solution

1. Step 1: Write the proportion equation
   103,788 : 155,691.72 = 33,648.48 : x
2. Step 2: Convert to fraction form
   103,788/155,691.72 = 33,648.48/x
3. Step 3: Cross multiply
   103,788x = 155,691.72 × 33,648.48
4. Step 4: Simplify right side
   103,788x = 5,238,789,726.59
5. Step 5: Solve for x
   x = 5,238,789,726.59/103,788
6. Step 6: Final answer
   x = 50,475.87