Finding the Fourth Proportional to 127,510.37, 191,090.59 and 80,679.41

Step by Step Solution

1. Step 1: Write the proportion equation
   127,510.37 : 191,090.59 = 80,679.41 : x
2. Step 2: Convert to fraction form
   127,510.37/191,090.59 = 80,679.41/x
3. Step 3: Cross multiply
   127,510.37x = 191,090.59 × 80,679.41
4. Step 4: Simplify right side
   127,510.37x = 15,417,074,900.60
5. Step 5: Solve for x
   x = 15,417,074,900.60/127,510.37
6. Step 6: Final answer
   x = 120,908.41