Finding the Fourth Proportional to 82,661.67, 114,085.56 and 50,415

Step by Step Solution

1. Step 1: Write the proportion equation
   82,661.67 : 114,085.56 = 50,415 : x
2. Step 2: Convert to fraction form
   82,661.67/114,085.56 = 50,415/x
3. Step 3: Cross multiply
   82,661.67x = 114,085.56 × 50,415
4. Step 4: Simplify right side
   82,661.67x = 5,751,623,507.40
5. Step 5: Solve for x
   x = 5,751,623,507.40/82,661.67
6. Step 6: Final answer
   x = 69,580.30