Finding the Fourth Proportional to 81,483.38, 122,154.42 and 31,529.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,483.38 : 122,154.42 = 31,529.10 : x
2. Step 2: Convert to fraction form
   81,483.38/122,154.42 = 31,529.10/x
3. Step 3: Cross multiply
   81,483.38x = 122,154.42 × 31,529.10
4. Step 4: Simplify right side
   81,483.38x = 3,851,418,923.62
5. Step 5: Solve for x
   x = 3,851,418,923.62/81,483.38
6. Step 6: Final answer
   x = 47,266.32