Finding the Fourth Proportional to 127,422.72, 175,844.40 and 79,704

Step by Step Solution

1. Step 1: Write the proportion equation
   127,422.72 : 175,844.40 = 79,704 : x
2. Step 2: Convert to fraction form
   127,422.72/175,844.40 = 79,704/x
3. Step 3: Cross multiply
   127,422.72x = 175,844.40 × 79,704
4. Step 4: Simplify right side
   127,422.72x = 14,015,502,057.60
5. Step 5: Solve for x
   x = 14,015,502,057.60/127,422.72
6. Step 6: Final answer
   x = 109,992.17