Finding the Fourth Proportional to 103,499.32, 155,248.97 and 33,378.63

Step by Step Solution

1. Step 1: Write the proportion equation
   103,499.32 : 155,248.97 = 33,378.63 : x
2. Step 2: Convert to fraction form
   103,499.32/155,248.97 = 33,378.63/x
3. Step 3: Cross multiply
   103,499.32x = 155,248.97 × 33,378.63
4. Step 4: Simplify right side
   103,499.32x = 5,181,997,927.51
5. Step 5: Solve for x
   x = 5,181,997,927.51/103,499.32
6. Step 6: Final answer
   x = 50,067.94