Finding the Fourth Proportional to 127,839.67, 176,419.10 and 76,881.59

Step by Step Solution

1. Step 1: Write the proportion equation
   127,839.67 : 176,419.10 = 76,881.59 : x
2. Step 2: Convert to fraction form
   127,839.67/176,419.10 = 76,881.59/x
3. Step 3: Cross multiply
   127,839.67x = 176,419.10 × 76,881.59
4. Step 4: Simplify right side
   127,839.67x = 13,563,380,453.59
5. Step 5: Solve for x
   x = 13,563,380,453.59/127,839.67
6. Step 6: Final answer
   x = 106,096.81