Finding the Fourth Proportional to 42,727.56, 64,080.81 and 19,349.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,727.56 : 64,080.81 = 19,349.34 : x
2. Step 2: Convert to fraction form
   42,727.56/64,080.81 = 19,349.34/x
3. Step 3: Cross multiply
   42,727.56x = 64,080.81 × 19,349.34
4. Step 4: Simplify right side
   42,727.56x = 1,239,921,380.17
5. Step 5: Solve for x
   x = 1,239,921,380.17/42,727.56
6. Step 6: Final answer
   x = 29,019.24