Finding the Fourth Proportional to 42,714.74, 64,060.37 and 12,727.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,714.74 : 64,060.37 = 12,727.62 : x
2. Step 2: Convert to fraction form
   42,714.74/64,060.37 = 12,727.62/x
3. Step 3: Cross multiply
   42,714.74x = 64,060.37 × 12,727.62
4. Step 4: Simplify right side
   42,714.74x = 815,336,046.42
5. Step 5: Solve for x
   x = 815,336,046.42/42,714.74
6. Step 6: Final answer
   x = 19,087.93