Finding the Fourth Proportional to 127,076.72, 190,604.66 and 42,835.05

Step by Step Solution

1. Step 1: Write the proportion equation
   127,076.72 : 190,604.66 = 42,835.05 : x
2. Step 2: Convert to fraction form
   127,076.72/190,604.66 = 42,835.05/x
3. Step 3: Cross multiply
   127,076.72x = 190,604.66 × 42,835.05
4. Step 4: Simplify right side
   127,076.72x = 8,164,559,927.16
5. Step 5: Solve for x
   x = 8,164,559,927.16/127,076.72
6. Step 6: Final answer
   x = 64,249.06