Finding the Fourth Proportional to 83,609.75, 115,373.81 and 49,612.38

Step by Step Solution

1. Step 1: Write the proportion equation
   83,609.75 : 115,373.81 = 49,612.38 : x
2. Step 2: Convert to fraction form
   83,609.75/115,373.81 = 49,612.38/x
3. Step 3: Cross multiply
   83,609.75x = 115,373.81 × 49,612.38
4. Step 4: Simplify right side
   83,609.75x = 5,723,969,427.80
5. Step 5: Solve for x
   x = 5,723,969,427.80/83,609.75
6. Step 6: Final answer
   x = 68,460.55