Finding the Fourth Proportional to 42,109.29, 63,251.40 and 33,405.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,109.29 : 63,251.40 = 33,405.03 : x
2. Step 2: Convert to fraction form
   42,109.29/63,251.40 = 33,405.03/x
3. Step 3: Cross multiply
   42,109.29x = 63,251.40 × 33,405.03
4. Step 4: Simplify right side
   42,109.29x = 2,112,914,914.54
5. Step 5: Solve for x
   x = 2,112,914,914.54/42,109.29
6. Step 6: Final answer
   x = 50,176.93