Finding the Fourth Proportional to 127,085.56, 175,375.34 and 78,674.60

Step by Step Solution

1. Step 1: Write the proportion equation
   127,085.56 : 175,375.34 = 78,674.60 : x
2. Step 2: Convert to fraction form
   127,085.56/175,375.34 = 78,674.60/x
3. Step 3: Cross multiply
   127,085.56x = 175,375.34 × 78,674.60
4. Step 4: Simplify right side
   127,085.56x = 13,797,584,724.36
5. Step 5: Solve for x
   x = 13,797,584,724.36/127,085.56
6. Step 6: Final answer
   x = 108,569.26