Finding the Fourth Proportional to 140,536.58, 193,886.04 and 89,540.24

Step by Step Solution

1. Step 1: Write the proportion equation
   140,536.58 : 193,886.04 = 89,540.24 : x
2. Step 2: Convert to fraction form
   140,536.58/193,886.04 = 89,540.24/x
3. Step 3: Cross multiply
   140,536.58x = 193,886.04 × 89,540.24
4. Step 4: Simplify right side
   140,536.58x = 17,360,602,554.25
5. Step 5: Solve for x
   x = 17,360,602,554.25/140,536.58
6. Step 6: Final answer
   x = 123,530.85