Finding the Fourth Proportional to 42,119.61, 58,111.06 and 27,786.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,119.61 : 58,111.06 = 27,786.56 : x
2. Step 2: Convert to fraction form
   42,119.61/58,111.06 = 27,786.56/x
3. Step 3: Cross multiply
   42,119.61x = 58,111.06 × 27,786.56
4. Step 4: Simplify right side
   42,119.61x = 1,614,706,164.80
5. Step 5: Solve for x
   x = 1,614,706,164.80/42,119.61
6. Step 6: Final answer
   x = 38,336.21