Finding the Fourth Proportional to 56,921, 78,550.82 and 33,061.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,921 : 78,550.82 = 33,061.48 : x
2. Step 2: Convert to fraction form
   56,921/78,550.82 = 33,061.48/x
3. Step 3: Cross multiply
   56,921x = 78,550.82 × 33,061.48
4. Step 4: Simplify right side
   56,921x = 2,597,006,364.41
5. Step 5: Solve for x
   x = 2,597,006,364.41/56,921
6. Step 6: Final answer
   x = 45,624.75