Finding the Fourth Proportional to 50,499.13, 69,689.29 and 27,839.01

Step by Step Solution

1. Step 1: Write the proportion equation
   50,499.13 : 69,689.29 = 27,839.01 : x
2. Step 2: Convert to fraction form
   50,499.13/69,689.29 = 27,839.01/x
3. Step 3: Cross multiply
   50,499.13x = 69,689.29 × 27,839.01
4. Step 4: Simplify right side
   50,499.13x = 1,940,080,841.20
5. Step 5: Solve for x
   x = 1,940,080,841.20/50,499.13
6. Step 6: Final answer
   x = 38,418.10