Finding the Fourth Proportional to 42,756.18, 58,989.12 and 27,667.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,756.18 : 58,989.12 = 27,667.92 : x
2. Step 2: Convert to fraction form
   42,756.18/58,989.12 = 27,667.92/x
3. Step 3: Cross multiply
   42,756.18x = 58,989.12 × 27,667.92
4. Step 4: Simplify right side
   42,756.18x = 1,632,106,253.03
5. Step 5: Solve for x
   x = 1,632,106,253.03/42,756.18
6. Step 6: Final answer
   x = 38,172.41