Finding the Fourth Proportional to 42,319.55, 58,427.55 and 27,238.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,319.55 : 58,427.55 = 27,238.43 : x
2. Step 2: Convert to fraction form
   42,319.55/58,427.55 = 27,238.43/x
3. Step 3: Cross multiply
   42,319.55x = 58,427.55 × 27,238.43
4. Step 4: Simplify right side
   42,319.55x = 1,591,474,438.61
5. Step 5: Solve for x
   x = 1,591,474,438.61/42,319.55
6. Step 6: Final answer
   x = 37,606.13