Finding the Fourth Proportional to 158,238.88, 237,357.72 and 64,744.60

Step by Step Solution

1. Step 1: Write the proportion equation
   158,238.88 : 237,357.72 = 64,744.60 : x
2. Step 2: Convert to fraction form
   158,238.88/237,357.72 = 64,744.60/x
3. Step 3: Cross multiply
   158,238.88x = 237,357.72 × 64,744.60
4. Step 4: Simplify right side
   158,238.88x = 15,367,630,638.31
5. Step 5: Solve for x
   x = 15,367,630,638.31/158,238.88
6. Step 6: Final answer
   x = 97,116.65