Finding the Fourth Proportional to 158,618.27, 218,945.56 and 141,803.15

Step by Step Solution

1. Step 1: Write the proportion equation
   158,618.27 : 218,945.56 = 141,803.15 : x
2. Step 2: Convert to fraction form
   158,618.27/218,945.56 = 141,803.15/x
3. Step 3: Cross multiply
   158,618.27x = 218,945.56 × 141,803.15
4. Step 4: Simplify right side
   158,618.27x = 31,047,168,282.77
5. Step 5: Solve for x
   x = 31,047,168,282.77/158,618.27
6. Step 6: Final answer
   x = 195,735.14