Finding the Fourth Proportional to 56,917.49, 78,540.17 and 33,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,917.49 : 78,540.17 = 33,039.50 : x
2. Step 2: Convert to fraction form
   56,917.49/78,540.17 = 33,039.50/x
3. Step 3: Cross multiply
   56,917.49x = 78,540.17 × 33,039.50
4. Step 4: Simplify right side
   56,917.49x = 2,594,927,388.82
5. Step 5: Solve for x
   x = 2,594,927,388.82/56,917.49
6. Step 6: Final answer
   x = 45,591.04