Finding the Fourth Proportional to 147,603.59, 203,695.31 and 80,535.59

Step by Step Solution

1. Step 1: Write the proportion equation
   147,603.59 : 203,695.31 = 80,535.59 : x
2. Step 2: Convert to fraction form
   147,603.59/203,695.31 = 80,535.59/x
3. Step 3: Cross multiply
   147,603.59x = 203,695.31 × 80,535.59
4. Step 4: Simplify right side
   147,603.59x = 16,404,721,568.41
5. Step 5: Solve for x
   x = 16,404,721,568.41/147,603.59
6. Step 6: Final answer
   x = 111,140.40