Finding the Fourth Proportional to 91,383.33, 137,076.87 and 28,203.49

Step by Step Solution

1. Step 1: Write the proportion equation
   91,383.33 : 137,076.87 = 28,203.49 : x
2. Step 2: Convert to fraction form
   91,383.33/137,076.87 = 28,203.49/x
3. Step 3: Cross multiply
   91,383.33x = 137,076.87 × 28,203.49
4. Step 4: Simplify right side
   91,383.33x = 3,866,046,290.40
5. Step 5: Solve for x
   x = 3,866,046,290.40/91,383.33
6. Step 6: Final answer
   x = 42,305.82