Finding the Fourth Proportional to 83,513.91, 115,253.91 and 49,542.51

Step by Step Solution

1. Step 1: Write the proportion equation
   83,513.91 : 115,253.91 = 49,542.51 : x
2. Step 2: Convert to fraction form
   83,513.91/115,253.91 = 49,542.51/x
3. Step 3: Cross multiply
   83,513.91x = 115,253.91 × 49,542.51
4. Step 4: Simplify right side
   83,513.91x = 5,709,967,988.71
5. Step 5: Solve for x
   x = 5,709,967,988.71/83,513.91
6. Step 6: Final answer
   x = 68,371.46