Finding the Fourth Proportional to 133,760.64, 184,608.54 and 82,789.72

Step by Step Solution

1. Step 1: Write the proportion equation
   133,760.64 : 184,608.54 = 82,789.72 : x
2. Step 2: Convert to fraction form
   133,760.64/184,608.54 = 82,789.72/x
3. Step 3: Cross multiply
   133,760.64x = 184,608.54 × 82,789.72
4. Step 4: Simplify right side
   133,760.64x = 15,283,688,874.69
5. Step 5: Solve for x
   x = 15,283,688,874.69/133,760.64
6. Step 6: Final answer
   x = 114,261.48