Finding the Fourth Proportional to 83,383.69, 115,080.65 and 49,389.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,383.69 : 115,080.65 = 49,389.52 : x
2. Step 2: Convert to fraction form
   83,383.69/115,080.65 = 49,389.52/x
3. Step 3: Cross multiply
   83,383.69x = 115,080.65 × 49,389.52
4. Step 4: Simplify right side
   83,383.69x = 5,683,778,064.79
5. Step 5: Solve for x
   x = 5,683,778,064.79/83,383.69
6. Step 6: Final answer
   x = 68,164.15