Finding the Fourth Proportional to 127,155.16, 175,419.30 and 76,825

Step by Step Solution

1. Step 1: Write the proportion equation
   127,155.16 : 175,419.30 = 76,825 : x
2. Step 2: Convert to fraction form
   127,155.16/175,419.30 = 76,825/x
3. Step 3: Cross multiply
   127,155.16x = 175,419.30 × 76,825
4. Step 4: Simplify right side
   127,155.16x = 13,476,587,722.50
5. Step 5: Solve for x
   x = 13,476,587,722.50/127,155.16
6. Step 6: Final answer
   x = 105,985.38