Finding the Fourth Proportional to 42,271.78, 58,374.56 and 27,190.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,271.78 : 58,374.56 = 27,190.62 : x
2. Step 2: Convert to fraction form
   42,271.78/58,374.56 = 27,190.62/x
3. Step 3: Cross multiply
   42,271.78x = 58,374.56 × 27,190.62
4. Step 4: Simplify right side
   42,271.78x = 1,587,240,385.23
5. Step 5: Solve for x
   x = 1,587,240,385.23/42,271.78
6. Step 6: Final answer
   x = 37,548.47