Finding the Fourth Proportional to 89,637.44, 123,534.89 and 83,949.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,637.44 : 123,534.89 = 83,949.35 : x
2. Step 2: Convert to fraction form
   89,637.44/123,534.89 = 83,949.35/x
3. Step 3: Cross multiply
   89,637.44x = 123,534.89 × 83,949.35
4. Step 4: Simplify right side
   89,637.44x = 10,370,672,995.21
5. Step 5: Solve for x
   x = 10,370,672,995.21/89,637.44
6. Step 6: Final answer
   x = 115,695.78