Finding the Fourth Proportional to 49,605.42, 68,436.18 and 28,090.23

Step by Step Solution

1. Step 1: Write the proportion equation
   49,605.42 : 68,436.18 = 28,090.23 : x
2. Step 2: Convert to fraction form
   49,605.42/68,436.18 = 28,090.23/x
3. Step 3: Cross multiply
   49,605.42x = 68,436.18 × 28,090.23
4. Step 4: Simplify right side
   49,605.42x = 1,922,388,036.52
5. Step 5: Solve for x
   x = 1,922,388,036.52/49,605.42
6. Step 6: Final answer
   x = 38,753.59