Finding the Fourth Proportional to 127,016.91, 190,457.19 and 42,748.97

Step by Step Solution

1. Step 1: Write the proportion equation
   127,016.91 : 190,457.19 = 42,748.97 : x
2. Step 2: Convert to fraction form
   127,016.91/190,457.19 = 42,748.97/x
3. Step 3: Cross multiply
   127,016.91x = 190,457.19 × 42,748.97
4. Step 4: Simplify right side
   127,016.91x = 8,141,847,749.31
5. Step 5: Solve for x
   x = 8,141,847,749.31/127,016.91
6. Step 6: Final answer
   x = 64,100.50