Finding the Fourth Proportional to 127,665.09, 191,456.46 and 42,260.01

Step by Step Solution

1. Step 1: Write the proportion equation
   127,665.09 : 191,456.46 = 42,260.01 : x
2. Step 2: Convert to fraction form
   127,665.09/191,456.46 = 42,260.01/x
3. Step 3: Cross multiply
   127,665.09x = 191,456.46 × 42,260.01
4. Step 4: Simplify right side
   127,665.09x = 8,090,950,956.88
5. Step 5: Solve for x
   x = 8,090,950,956.88/127,665.09
6. Step 6: Final answer
   x = 63,376.38