Finding the Fourth Proportional to 127,009.50, 175,233.10 and 79,290.48

Step by Step Solution

1. Step 1: Write the proportion equation
   127,009.50 : 175,233.10 = 79,290.48 : x
2. Step 2: Convert to fraction form
   127,009.50/175,233.10 = 79,290.48/x
3. Step 3: Cross multiply
   127,009.50x = 175,233.10 × 79,290.48
4. Step 4: Simplify right side
   127,009.50x = 13,894,316,610.89
5. Step 5: Solve for x
   x = 13,894,316,610.89/127,009.50
6. Step 6: Final answer
   x = 109,395.88