Finding the Fourth Proportional to 127,607.76, 176,105.61 and 71,020.35

Step by Step Solution

1. Step 1: Write the proportion equation
   127,607.76 : 176,105.61 = 71,020.35 : x
2. Step 2: Convert to fraction form
   127,607.76/176,105.61 = 71,020.35/x
3. Step 3: Cross multiply
   127,607.76x = 176,105.61 × 71,020.35
4. Step 4: Simplify right side
   127,607.76x = 12,507,082,059.16
5. Step 5: Solve for x
   x = 12,507,082,059.16/127,607.76
6. Step 6: Final answer
   x = 98,011.92