Finding the Fourth Proportional to 158,661.56, 237,990.52 and 53,554.34

Step by Step Solution

1. Step 1: Write the proportion equation
   158,661.56 : 237,990.52 = 53,554.34 : x
2. Step 2: Convert to fraction form
   158,661.56/237,990.52 = 53,554.34/x
3. Step 3: Cross multiply
   158,661.56x = 237,990.52 × 53,554.34
4. Step 4: Simplify right side
   158,661.56x = 12,745,425,224.86
5. Step 5: Solve for x
   x = 12,745,425,224.86/158,661.56
6. Step 6: Final answer
   x = 80,330.90