Finding the Fourth Proportional to 83,672.24, 115,419.48 and 50,118.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,672.24 : 115,419.48 = 50,118.80 : x
2. Step 2: Convert to fraction form
   83,672.24/115,419.48 = 50,118.80/x
3. Step 3: Cross multiply
   83,672.24x = 115,419.48 × 50,118.80
4. Step 4: Simplify right side
   83,672.24x = 5,784,685,834.22
5. Step 5: Solve for x
   x = 5,784,685,834.22/83,672.24
6. Step 6: Final answer
   x = 69,135.07