Finding the Fourth Proportional to 75,667.49, 113,461.83 and 28,243.59

Step by Step Solution

1. Step 1: Write the proportion equation
   75,667.49 : 113,461.83 = 28,243.59 : x
2. Step 2: Convert to fraction form
   75,667.49/113,461.83 = 28,243.59/x
3. Step 3: Cross multiply
   75,667.49x = 113,461.83 × 28,243.59
4. Step 4: Simplify right side
   75,667.49x = 3,204,569,141.47
5. Step 5: Solve for x
   x = 3,204,569,141.47/75,667.49
6. Step 6: Final answer
   x = 42,350.67