Finding the Fourth Proportional to 127,118.70, 190,676.69 and 31,056.78

Step by Step Solution

1. Step 1: Write the proportion equation
   127,118.70 : 190,676.69 = 31,056.78 : x
2. Step 2: Convert to fraction form
   127,118.70/190,676.69 = 31,056.78/x
3. Step 3: Cross multiply
   127,118.70x = 190,676.69 × 31,056.78
4. Step 4: Simplify right side
   127,118.70x = 5,921,803,857.17
5. Step 5: Solve for x
   x = 5,921,803,857.17/127,118.70
6. Step 6: Final answer
   x = 46,584.84