Finding the Fourth Proportional to 127,104.54, 190,475.37 and 64,818.78

Step by Step Solution

1. Step 1: Write the proportion equation
   127,104.54 : 190,475.37 = 64,818.78 : x
2. Step 2: Convert to fraction form
   127,104.54/190,475.37 = 64,818.78/x
3. Step 3: Cross multiply
   127,104.54x = 190,475.37 × 64,818.78
4. Step 4: Simplify right side
   127,104.54x = 12,346,381,103.45
5. Step 5: Solve for x
   x = 12,346,381,103.45/127,104.54
6. Step 6: Final answer
   x = 97,135.64