Finding the Fourth Proportional to 126,892.98, 175,301.91 and 83,388.42

Step by Step Solution

1. Step 1: Write the proportion equation
   126,892.98 : 175,301.91 = 83,388.42 : x
2. Step 2: Convert to fraction form
   126,892.98/175,301.91 = 83,388.42/x
3. Step 3: Cross multiply
   126,892.98x = 175,301.91 × 83,388.42
4. Step 4: Simplify right side
   126,892.98x = 14,618,149,297.88
5. Step 5: Solve for x
   x = 14,618,149,297.88/126,892.98
6. Step 6: Final answer
   x = 115,200.61