Finding the Fourth Proportional to 78,272.56, 117,424.81 and 33,293.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,272.56 : 117,424.81 = 33,293.83 : x
2. Step 2: Convert to fraction form
   78,272.56/117,424.81 = 33,293.83/x
3. Step 3: Cross multiply
   78,272.56x = 117,424.81 × 33,293.83
4. Step 4: Simplify right side
   78,272.56x = 3,909,521,641.22
5. Step 5: Solve for x
   x = 3,909,521,641.22/78,272.56
6. Step 6: Final answer
   x = 49,947.54