Finding the Fourth Proportional to 92,308.34, 138,469.30 and 33,144.53

Step by Step Solution

1. Step 1: Write the proportion equation
   92,308.34 : 138,469.30 = 33,144.53 : x
2. Step 2: Convert to fraction form
   92,308.34/138,469.30 = 33,144.53/x
3. Step 3: Cross multiply
   92,308.34x = 138,469.30 × 33,144.53
4. Step 4: Simplify right side
   92,308.34x = 4,589,499,092.72
5. Step 5: Solve for x
   x = 4,589,499,092.72/92,308.34
6. Step 6: Final answer
   x = 49,719.22