Finding the Fourth Proportional to 81,649.50, 122,474.34 and 32,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,649.50 : 122,474.34 = 32,401.50 : x
2. Step 2: Convert to fraction form
   81,649.50/122,474.34 = 32,401.50/x
3. Step 3: Cross multiply
   81,649.50x = 122,474.34 × 32,401.50
4. Step 4: Simplify right side
   81,649.50x = 3,968,352,327.51
5. Step 5: Solve for x
   x = 3,968,352,327.51/81,649.50
6. Step 6: Final answer
   x = 48,602.29