Finding the Fourth Proportional to 89,638.44, 123,536.27 and 83,950.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,638.44 : 123,536.27 = 83,950.35 : x
2. Step 2: Convert to fraction form
   89,638.44/123,536.27 = 83,950.35/x
3. Step 3: Cross multiply
   89,638.44x = 123,536.27 × 83,950.35
4. Step 4: Simplify right side
   89,638.44x = 10,370,913,104.19
5. Step 5: Solve for x
   x = 10,370,913,104.19/89,638.44
6. Step 6: Final answer
   x = 115,697.16