Finding the Fourth Proportional to 127,009.60, 190,395.20 and 42,710.82

Step by Step Solution

1. Step 1: Write the proportion equation
   127,009.60 : 190,395.20 = 42,710.82 : x
2. Step 2: Convert to fraction form
   127,009.60/190,395.20 = 42,710.82/x
3. Step 3: Cross multiply
   127,009.60x = 190,395.20 × 42,710.82
4. Step 4: Simplify right side
   127,009.60x = 8,131,935,116.06
5. Step 5: Solve for x
   x = 8,131,935,116.06/127,009.60
6. Step 6: Final answer
   x = 64,026.15