Finding the Fourth Proportional to 126,865.89, 190,320.72 and 42,634.14

Step by Step Solution

1. Step 1: Write the proportion equation
   126,865.89 : 190,320.72 = 42,634.14 : x
2. Step 2: Convert to fraction form
   126,865.89/190,320.72 = 42,634.14/x
3. Step 3: Cross multiply
   126,865.89x = 190,320.72 × 42,634.14
4. Step 4: Simplify right side
   126,865.89x = 8,114,160,221.38
5. Step 5: Solve for x
   x = 8,114,160,221.38/126,865.89
6. Step 6: Final answer
   x = 63,958.56