Finding the Fourth Proportional to 52,406.78, 72,331.60 and 33,308.80

Step by Step Solution

1. Step 1: Write the proportion equation
   52,406.78 : 72,331.60 = 33,308.80 : x
2. Step 2: Convert to fraction form
   52,406.78/72,331.60 = 33,308.80/x
3. Step 3: Cross multiply
   52,406.78x = 72,331.60 × 33,308.80
4. Step 4: Simplify right side
   52,406.78x = 2,409,279,003.30
5. Step 5: Solve for x
   x = 2,409,279,003.30/52,406.78
6. Step 6: Final answer
   x = 45,972.66