Finding the Fourth Proportional to 127,026.28, 190,471.98 and 42,758.32

Step by Step Solution

1. Step 1: Write the proportion equation
   127,026.28 : 190,471.98 = 42,758.32 : x
2. Step 2: Convert to fraction form
   127,026.28/190,471.98 = 42,758.32/x
3. Step 3: Cross multiply
   127,026.28x = 190,471.98 × 42,758.32
4. Step 4: Simplify right side
   127,026.28x = 8,144,261,871.87
5. Step 5: Solve for x
   x = 8,144,261,871.87/127,026.28
6. Step 6: Final answer
   x = 64,114.78