Finding the Fourth Proportional to 147,516.72, 203,573.52 and 80,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,516.72 : 203,573.52 = 80,448.72 : x
2. Step 2: Convert to fraction form
   147,516.72/203,573.52 = 80,448.72/x
3. Step 3: Cross multiply
   147,516.72x = 203,573.52 × 80,448.72
4. Step 4: Simplify right side
   147,516.72x = 16,377,229,109.89
5. Step 5: Solve for x
   x = 16,377,229,109.89/147,516.72
6. Step 6: Final answer
   x = 111,019.48