Finding the Fourth Proportional to 42,238.03, 58,271.87 and 27,128.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238.03 : 58,271.87 = 27,128.58 : x
2. Step 2: Convert to fraction form
   42,238.03/58,271.87 = 27,128.58/x
3. Step 3: Cross multiply
   42,238.03x = 58,271.87 × 27,128.58
4. Step 4: Simplify right side
   42,238.03x = 1,580,833,087.04
5. Step 5: Solve for x
   x = 1,580,833,087.04/42,238.03
6. Step 6: Final answer
   x = 37,426.77