Finding the Fourth Proportional to 83,109, 114,698.72 and 49,575

Step by Step Solution

1. Step 1: Write the proportion equation
   83,109 : 114,698.72 = 49,575 : x
2. Step 2: Convert to fraction form
   83,109/114,698.72 = 49,575/x
3. Step 3: Cross multiply
   83,109x = 114,698.72 × 49,575
4. Step 4: Simplify right side
   83,109x = 5,686,189,044
5. Step 5: Solve for x
   x = 5,686,189,044/83,109
6. Step 6: Final answer
   x = 68,418.45