Finding the Fourth Proportional to 81,480.50, 122,274.98 and 33,488.47

Step by Step Solution

1. Step 1: Write the proportion equation
   81,480.50 : 122,274.98 = 33,488.47 : x
2. Step 2: Convert to fraction form
   81,480.50/122,274.98 = 33,488.47/x
3. Step 3: Cross multiply
   81,480.50x = 122,274.98 × 33,488.47
4. Step 4: Simplify right side
   81,480.50x = 4,094,801,999.48
5. Step 5: Solve for x
   x = 4,094,801,999.48/81,480.50
6. Step 6: Final answer
   x = 50,254.99