Finding the Fourth Proportional to 83,615.35, 115,389.17 and 50,081.35

Step by Step Solution

1. Step 1: Write the proportion equation
   83,615.35 : 115,389.17 = 50,081.35 : x
2. Step 2: Convert to fraction form
   83,615.35/115,389.17 = 50,081.35/x
3. Step 3: Cross multiply
   83,615.35x = 115,389.17 × 50,081.35
4. Step 4: Simplify right side
   83,615.35x = 5,778,845,408.98
5. Step 5: Solve for x
   x = 5,778,845,408.98/83,615.35
6. Step 6: Final answer
   x = 69,112.26