Finding the Fourth Proportional to 147,938.56, 204,158.34 and 80,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   147,938.56 : 204,158.34 = 80,870.56 : x
2. Step 2: Convert to fraction form
   147,938.56/204,158.34 = 80,870.56/x
3. Step 3: Cross multiply
   147,938.56x = 204,158.34 × 80,870.56
4. Step 4: Simplify right side
   147,938.56x = 16,510,399,284.47
5. Step 5: Solve for x
   x = 16,510,399,284.47/147,938.56
6. Step 6: Final answer
   x = 111,603.08