Finding the Fourth Proportional to 42,724.56, 64,076.31 and 19,346.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,724.56 : 64,076.31 = 19,346.34 : x
2. Step 2: Convert to fraction form
   42,724.56/64,076.31 = 19,346.34/x
3. Step 3: Cross multiply
   42,724.56x = 64,076.31 × 19,346.34
4. Step 4: Simplify right side
   42,724.56x = 1,239,642,079.21
5. Step 5: Solve for x
   x = 1,239,642,079.21/42,724.56
6. Step 6: Final answer
   x = 29,014.74