Finding the Fourth Proportional to 82,493.30, 123,755.34 and 38,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,493.30 : 123,755.34 = 38,090.72 : x
2. Step 2: Convert to fraction form
   82,493.30/123,755.34 = 38,090.72/x
3. Step 3: Cross multiply
   82,493.30x = 123,755.34 × 38,090.72
4. Step 4: Simplify right side
   82,493.30x = 4,713,930,004.44
5. Step 5: Solve for x
   x = 4,713,930,004.44/82,493.30
6. Step 6: Final answer
   x = 57,143.19