Finding the Fourth Proportional to 57,011.31, 78,656.33 and 33,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   57,011.31 : 78,656.33 = 33,118.34 : x
2. Step 2: Convert to fraction form
   57,011.31/78,656.33 = 33,118.34/x
3. Step 3: Cross multiply
   57,011.31x = 78,656.33 × 33,118.34
4. Step 4: Simplify right side
   57,011.31x = 2,604,966,769.61
5. Step 5: Solve for x
   x = 2,604,966,769.61/57,011.31
6. Step 6: Final answer
   x = 45,692.11